Works (76)

Updated: August 6th, 2023 05:01

2023 journal article

Evaluation and establishment of reference intervals using the i-STAT1 blood chemistry analyzer in turkeys

POULTRY SCIENCE, 102(8).

By: E. Ripplinger n, E. Gruber n, M. Correa n, M. Martin* & R. Crespo n

author keywords: blood; biochemical analysis; portable analyzer; turkey
Sources: Web Of Science, ORCID
Added: May 27, 2023

2023 journal article

Immune Response Evaluation in Commercial Turkeys Affected with Clostridial Dermatitis

AVIAN DISEASES, 67(1), 80–88.

By: V. Criollo n, C. Gaghan n, F. John n, E. Orozco, A. Thachil*, R. Crespo n, R. Kulkarni n

author keywords: clostridial dermatitis; gangrenous dermatitis; Clostridium septicum; immune response; macrophages
MeSH headings : Animals; Clostridium Infections / veterinary; Turkeys; Interleukin-13; Poultry Diseases / epidemiology; Clostridium; Dermatitis / veterinary; Immunity
Sources: Web Of Science, ORCID
Added: May 22, 2023

2023 journal article

Wind Speed and Landscape Context Mediate Campylobacter Risk among Poultry Reared in Open Environments

Animals.

Source: ORCID
Added: February 2, 2023

2022 journal article

A flow cytometric method for enumeration and speciation of coccidia affecting broiler chickens

VETERINARY PARASITOLOGY, 301.

By: D. Adams n, R. Kulkarni n, J. Mohammed n & R. Crespo n

author keywords: Flow cytometry; Eimeria; Coccidiosis; Oocyst; Quantification
MeSH headings : Animals; Chickens; Coccidiosis / veterinary; Eimeria / genetics; Flow Cytometry / veterinary; Poultry Diseases; Real-Time Polymerase Chain Reaction / veterinary
Sources: ORCID, Web Of Science
Added: December 1, 2021

2022 journal article

Characterization of vaccine-induced immune responses against coccidiosis in broiler chickens

VACCINE, 40(29), 3893–3902.

author keywords: Coccidiosis; Eimeria; Vaccine; Immunity; Immune response
MeSH headings : Animals; Chickens; Coccidiosis / prevention & control; Coccidiosis / veterinary; Eimeria; Eimeria tenella; Immunity; Oocysts; Poultry Diseases; Protozoan Vaccines; Toll-Like Receptor 2
Sources: Web Of Science, ORCID
Added: May 27, 2022

2022 article

Diversity and Prevalence of Ectoparasites on Poultry from Open Environment Farms in the Western-United States of Washington, Idaho, Oregon, and California

Chambless, K. N., Cornell, K. A., Crespo, R., Snyder, W. E., & Owen, J. P. (2022, July 23). JOURNAL OF MEDICAL ENTOMOLOGY, Vol. 7.

author keywords: parasite; louse; mite; chicken; organic
MeSH headings : Animals; Chickens / parasitology; Farms; Idaho / epidemiology; Ischnocera; Mites; Oregon; Phthiraptera; Poultry; Poultry Diseases / epidemiology; Poultry Diseases / parasitology; Prevalence; Washington
Sources: Web Of Science, ORCID
Added: August 15, 2022

2022 journal article

Enumeration and speciation of coccidia affecting turkeys using flow cytometry method

JOURNAL OF APPLIED POULTRY RESEARCH, 31(3).

By: T. Boyett n, R. Crespo n, V. Vinueza n, C. Gaghan n, J. Mohammed n & R. Kulkarni n

author keywords: Eimeria; coccidiosis; turkey; flow cytometry; diagnosis
Sources: ORCID, Web Of Science
Added: May 13, 2022

2022 journal article

Evaluation of Growing Turkey Blood Biochemistry Panel Measured Using the VetScan VS2

Poultry.

By: D. Adams n, E. Gruber n, H. Sather n, M. Correa n & R. Crespo n

Source: ORCID
Added: June 16, 2022

2022 journal article

Image analysis for Eimeria oocyst counts and classification

JOURNAL OF APPLIED POULTRY RESEARCH, 31(3).

By: D. Adams, F. Ruiz-Jimenez, O. Fletcher*, S. Gall & R. Crespo*

author keywords: imageJ; Eimeria; coccidiosis; oocyst; chicken
Sources: Web Of Science, ORCID
Added: June 20, 2022

2022 journal article

Systemic veterinary drugs for control of the common bed bug, Cimex lectularius, in poultry farms

PARASITES & VECTORS, 15(1).

By: M. Gonzalez-Morales n, A. Thomson n, O. Petritz n, R. Crespo n, A. Haija n, R. Santangelo n, C. Schal n

author keywords: Cimex lectularius; Fluralaner; Ivermectin; Systemics; Poultry; Chicken
MeSH headings : Animals; Humans; Bedbugs; Ivermectin / pharmacology; Farms; Poultry; Veterinary Drugs; Chickens; Ectoparasitic Infestations / drug therapy; Ectoparasitic Infestations / prevention & control; Ectoparasitic Infestations / veterinary
Sources: Web Of Science, ORCID
Added: December 5, 2022

2021 journal article

Comparison of portable and conventional laboratory analyzers for biochemical tests in chickens

POULTRY SCIENCE, 100(2), 746–754.

By: F. Ruiz-Jimenez, E. Gruber*, M. Correa & R. Crespo*

author keywords: analyzer; biochemical analysis; broiler; conventional; portable
MeSH headings : Animals; Blood Chemical Analysis / instrumentation; Blood Chemical Analysis / veterinary; Blood Gas Analysis / instrumentation; Blood Gas Analysis / veterinary; Chickens / blood; Hematologic Tests / instrumentation; Hematologic Tests / veterinary; Laboratories / standards; Point-of-Care Testing / standards; Reference Values; Time Factors
Sources: Web Of Science, ORCID
Added: December 2, 2020

2021 journal article

Development of a Dissemination Platform for Spatiotemporal and Phylogenetic Analysis of Avian Infectious Bronchitis Virus

FRONTIERS IN VETERINARY SCIENCE, 8.

By: M. Jara n, R. Crespo n, D. Roberts n, A. Chapman n, A. Banda* & G. Machado n

author keywords: infectious bronchitis; virus evolution; outbreak analytics; avian disease; evolutionary epidemiology
Sources: Web Of Science, ORCID
Added: June 14, 2021

2021 journal article

Genomic Characterization of a Nalidixic Acid-Resistant Salmonella Enteritidis Strain Causing Persistent Infections in Broiler Chickens

FRONTIERS IN VETERINARY SCIENCE, 8.

By: G. Walker n, M. Suyemoto n, D. Hull n, S. Gall n, F. Jimenez n, L. Chen n, S. Thakur n, R. Crespo n, L. Borst n

author keywords: Salmonella Enteritidis; poultry; genomics; antimicrobial resistance; broilers
Sources: Web Of Science, ORCID
Added: September 27, 2021

2021 journal article

Unraveling the Contact Network Patterns between Commercial Turkey Operation in North Carolina and the Distribution of Salmonella Species

Pathogens, 10(12).

By: C. Ellington, C. Hebron, R. Crespo* & G. Machado*

author keywords: Salmonella; network; risk factors; food-borne; turkey; North Carolina; prevalence
Source: ORCID
Added: December 1, 2021

2020 journal article

Effect of broiler genetics, age, and gender on performance and blood chemistry

HELIYON, 6(7).

By: M. Livingston*, A. Cowieson*, R. Crespo n, V. Hoang, B. Nogal, M. Browning n, K. Livingston n

author keywords: Broiler; Biomarkers; Blood physiology; Rapid point-of-care detection; Animal breeding; Animal product; Biochemistry; Animal physiology; Veterinary science
Sources: Web Of Science, ORCID
Added: August 31, 2020

2020 journal article

Effect of coccidial challenge and vaccination on the performance, veterinary postmortem scores, and blood biochemistry of broiler chickens

POULTRY SCIENCE, 99(8), 3831–3840.

By: A. Cowieson*, M. Livingston*, B. Nogal, V. Hoang, Y. Wang, R. Crespo n, K. Livingston n

author keywords: coccidiosis; broiler; blood; vaccination; performance
MeSH headings : Animal Feed / analysis; Animals; Blood Chemical Analysis; Chickens; Coccidiosis / blood; Coccidiosis / immunology; Coccidiosis / prevention & control; Coccidiosis / veterinary; Diet; Eimeria; Male; Poultry Diseases / blood; Poultry Diseases / immunology; Poultry Diseases / prevention & control; Protozoan Vaccines / blood; Protozoan Vaccines / immunology; Protozoan Vaccines / pharmacology; Random Allocation; Vaccination / veterinary
Sources: Web Of Science, ORCID
Added: August 17, 2020

2020 journal article

The occurrence of Salmonella, extended-spectrum β-lactamase producing Escherichia coli and carbapenem resistant non-fermenting Gram-negative bacteria in a backyard poultry flock environment

Zoonoses and Public Health, 67(6), 742–753.

By: D. Shah*, M. Board*, R. Crespo*, J. Guard*, N. Paul* & C. Faux*

author keywords: Achromobacter; Acinetobacter; E; coli; multidrug resistance; poultry; Pseudomonas; Salmonella
MeSH headings : Aged; Animal Husbandry; Animals; Anti-Bacterial Agents / pharmacology; Carbapenems / pharmacology; Chickens / microbiology; Child, Preschool; Drug Resistance, Multiple, Bacterial; Escherichia coli / drug effects; Escherichia coli / enzymology; Escherichia coli / isolation & purification; Escherichia coli Infections / microbiology; Escherichia coli Infections / veterinary; Gene Expression Regulation, Bacterial; Gene Expression Regulation, Enzymologic; Gram-Negative Bacteria / classification; Gram-Negative Bacteria / drug effects; Gram-Negative Bacterial Infections / microbiology; Gram-Negative Bacterial Infections / veterinary; Housing, Animal; Humans; Salmonella / drug effects; Salmonella / isolation & purification; Salmonella Infections, Animal / microbiology; Surveys and Questionnaires; beta-Lactamases / genetics; beta-Lactamases / metabolism
Source: ORCID
Added: May 22, 2022

2019 article

Bacterial Diversity in Feces of Wild Bald Eagles, Turkey Vultures and Common Ravens from the Pacific Northwest Coast, U.S.A

Crespo, R., Dowd, S. E., Varland, D. E., Ford, S., & Hamer, T. E. (2019, January 3). BioRxiv, Vol. 1.

By: R. Crespo n, S. Dowd, D. Varland, S. Ford* & T. Hamer

Source: ORCID
Added: April 26, 2020

2019 journal article

Haemoproteosis lethality in a woodpecker, with molecular and morphological characterization of Haemoproteus velans (Haemosporida, Haemoproteidae)

International Journal for Parasitology: Parasites and Wildlife, 10, 93–100.

By: T. Groff*, T. Lorenz*, R. Crespo n, T. Iezhova*, G. Valkiūnas* & R. Sehgal*

author keywords: Haemoproteus velans; Molecular and morphological characterization; Mortality; Picidae; White-headed woodpecker; Radio-tagging
Sources: Crossref, ORCID
Added: August 29, 2019

2019 journal article

Use of Commercial Swine Live Attenuated Vaccine to Control an Erysipelothrix rhusiopathiae Outbreak in Commercial Cage-Free Layer Chickens

AVIAN DISEASES, 63(3), 520–524.

By: R. Crespo*, M. Bland & T. Opriessnig*

author keywords: attenuated vaccine; chicken; drag swab; drinking water; environment; Erysipelothrix rhusiopathiae; vaccination
MeSH headings : Animals; Bacterial Vaccines / immunology; Chickens; Disease Outbreaks / prevention & control; Disease Outbreaks / veterinary; Erysipelothrix / immunology; Erysipelothrix Infections / prevention & control; Female; Poultry Diseases / prevention & control; Sus scrofa; Vaccination / veterinary; Vaccines, Attenuated / immunology
Sources: Web Of Science, ORCID
Added: April 20, 2020

2018 journal article

Biochemical Reference Intervals for Backyard Hens

JOURNAL OF AVIAN MEDICINE AND SURGERY, 32(4), 301–306.

By: M. Board*, R. Crespo*, D. Shah* & C. Faux*

author keywords: biochemistry; reference intervals; avian; backyard poultry; chicken; hen; Gallus gallus domesticus
Sources: Web Of Science, ORCID
Added: February 11, 2019

2018 journal article

Biochemical reference intervals for backyard hens

Journal of Avian Medicine and Surgery, 32(4), 301–306.

By: M. Board*, R. Crespo*, D. Shah* & C. Faux*

MeSH headings : Animal Husbandry; Animals; Aspartate Aminotransferases / blood; Bile Acids and Salts / blood; Blood Glucose; Blood Proteins; Calcium / blood; Chickens / blood; Creatine Kinase; Female; Hematocrit / veterinary; Phosphorus / blood; Potassium / blood; Reference Values; Serum Albumin; Serum Globulins; Sodium / blood; Uric Acid / blood
Source: ORCID
Added: May 22, 2022

2018 chapter

Galliformes and Columbiformes

In Pathology of Wildlife and Zoo Animals (pp. 747–773).

By: R. Crespo*, M. França*, H. Fenton* & H. Shivaprasad*

Sources: Crossref, ORCID
Added: September 8, 2019

2016 journal article

Inactivation of Infectious Bursal Disease Virus Through Composting of Litter from Poultry Houses

Avian Diseases, 60(2), 506–510.

By: R. Crespo*, L. Badcoe*, C. Williams* & A. Bary*

MeSH headings : Animal Husbandry / methods; Animals; Birnaviridae Infections / prevention & control; Birnaviridae Infections / veterinary; Birnaviridae Infections / virology; Chickens; Floors and Floorcoverings; Housing, Animal; Infectious bursal disease virus / physiology; Poultry Diseases / prevention & control; Poultry Diseases / virology; Virus Inactivation
Sources: Crossref, ORCID
Added: September 8, 2019

2016 journal article

Population dynamics and antimicrobial resistance of the most prevalent poultry-associated Salmonella serotypes

Poultry Science, 96(3), 687–702.

By: D. Shah, N. Paul, W. Sischo*, R. Crespo* & J. Guard*

author keywords: Salmonella; poultry; antimicrobial resistance
MeSH headings : Animals; Anti-Bacterial Agents / pharmacology; Drug Resistance, Bacterial; Population Dynamics; Poultry Diseases / epidemiology; Poultry Diseases / microbiology; Poultry Products / microbiology; Prevalence; Salmonella / classification; Salmonella / drug effects; Salmonella / genetics; Salmonella / physiology; Salmonella Infections, Animal / epidemiology; Salmonella Infections, Animal / microbiology; Serogroup; United States / epidemiology
Sources: ORCID, Crossref
Added: September 29, 2019

2016 chapter

Urate Deposition (Gout)

In The Merck Veterinary Manual (11th ed.). http://www.merckvetmanual.com/poultry/miscellaneous-conditions-of-poultry/urate-deposition-gout-in-poultry.

By: R. Crespo

Source: NC State University Libraries
Added: September 11, 2019

2015 journal article

Avian Hepatitis E Virus Infection in Organic Layers

Avian Diseases, 59(3), 388–393.

author keywords: avian hepatitis virus E; chicken; hepatitis
MeSH headings : Aging; Animal Husbandry; Animals; Chickens; Female; Hepatitis, Viral, Animal / pathology; Hepatitis, Viral, Animal / virology; Hepevirus / genetics; Hepevirus / isolation & purification; Oviposition; Phylogeny; Poultry Diseases / pathology; Poultry Diseases / virology; RNA Virus Infections / veterinary; RNA Virus Infections / virology
Sources: Crossref, ORCID
Added: January 5, 2020

2015 journal article

Comparison of conventional plating methods and Petrifilm for the recovery of aerobic bacteria and mold from hatchery fluff samples

The Journal of Applied Poultry Research, 25(1), 48–53.

By: C. Warren*, S. Weber* & R. Crespo*

author keywords: bacteria; count; fluff; hatchery; mold; Petrifilm; plate count agar; Sabouraud dextrose agar
Sources: Crossref, ORCID
Added: September 11, 2019

2015 chapter

Diagnostic Lab Sampling

In C. B. Greenacre & T. Y. Morishita (Eds.), Backyard Poultry Medicine and Surgery: A Guide for Veterinary Practitioners (pp. 275–282). Hoboken, New Jersey: Wiley-Blackwell.

By: R. Crespo & H. Shivaprasad

Ed(s): C. Greenacre & T. Morishita

Source: NC State University Libraries
Added: February 12, 2021

2015 chapter

Interpretation of Laboratory Results and Values

In C. B. Greenacre & T. Y. Morishita (Eds.), Backyard Poultry Medicine and Surgery: A Guide for Veterinary Practitioners (pp. 283–296). Hoboken, New Jersey: Wiley-Blackwell.

By: R. Crespo & H. Shivaprasad

Ed(s): C. Greenacre & T. Morishita

Source: NC State University Libraries
Added: February 12, 2021

2015 chapter

Laboratory Diagnostic Procedures in Poultry

In J. Brugere-Picoux & J.-P. Vaillancourt (Eds.), Manual of Poultry Disease (2nd ed., pp. 126–133). French Association for the Advancement of Science (AFAS).

By: R. Crespo

Ed(s): J. Brugere-Picoux & J. Vaillancourt

Source: NC State University Libraries
Added: February 12, 2021

2015 journal article

Novel Eurasian Highly Pathogenic Avian Influenza A H5 Viruses in Wild Birds, Washington, USA, 2014

Emerging Infectious Diseases, 21(5), 886–890.

By: H. Ip, M. Torchetti, R. Crespo*, P. Kohrs, P. DeBruyn, K. Mansfield, T. Baszler, L. Badcoe ...

MeSH headings : Animals; Animals, Wild; Birds; Disease Outbreaks; Genes, Viral; History, 21st Century; Influenza A virus / classification; Influenza A virus / genetics; Influenza A virus / pathogenicity; Influenza in Birds / epidemiology; Influenza in Birds / history; Influenza in Birds / virology; Phylogeny; Sequence Analysis, DNA; Washington / epidemiology
Sources: Crossref, ORCID
Added: January 5, 2020

2015 journal article

Postmortem Survey of Disease Conditions in Backyard Poultry

Journal of Exotic Pet Medicine, 24(2), 156–163.

By: R. Crespo* & G. Senties-Cue*

author keywords: ascaridiasis; coccidiosis; Escherichia coli; Marek's disease; necropsy; reproductive neoplasia
Sources: Crossref, ORCID
Added: January 5, 2020

2014 journal article

Evaluation of passive immunotherapeutic efficacy of hyperimmunized egg yolk powder against intestinal colonization of Campylobacter jejuni in chickens

Poultry Science, 93(11), 2779–2787.

By: N. Paul*, S. Al-Adwani*, R. Crespo* & D. Shah*

author keywords: hyperimmunized egg yolk powder; Campylobacter jejuni; colonization
MeSH headings : Animals; Antibodies, Bacterial / biosynthesis; Antibodies, Bacterial / blood; Bacterial Proteins / genetics; Bacterial Proteins / immunology; Bacterial Proteins / isolation & purification; Bacterial Proteins / metabolism; Campylobacter Infections / immunology; Campylobacter Infections / microbiology; Campylobacter Infections / prevention & control; Campylobacter Infections / veterinary; Campylobacter jejuni / physiology; Chickens; Egg Yolk / immunology; Enzyme-Linked Immunosorbent Assay / veterinary; Immunization / veterinary; Immunoglobulins / blood; Immunoglobulins / immunology; Intestines / physiology; Poultry Diseases / immunology; Poultry Diseases / microbiology; Poultry Diseases / prevention & control; Powders; Recombinant Proteins / genetics; Recombinant Proteins / immunology; Recombinant Proteins / isolation & purification; Recombinant Proteins / metabolism; Specific Pathogen-Free Organisms
Sources: Crossref, ORCID
Added: January 5, 2020

2014 journal article

Reducing Campylobacter jejuni Colonization of Poultry via Vaccination

PLoS ONE, 9(12), e114254.

By: J. Neal-McKinney*, D. Samuelson*, T. Eucker*, M. Nissen*, R. Crespo* & M. Konkel*

Ed(s): S. Bereswill

MeSH headings : Animals; Antibodies, Bacterial / immunology; Campylobacter Infections / immunology; Campylobacter Infections / microbiology; Campylobacter Infections / prevention & control; Campylobacter jejuni / immunology; Campylobacter jejuni / pathogenicity; Chickens / immunology; Chickens / microbiology; Gastrointestinal Diseases / immunology; Gastrointestinal Diseases / microbiology; Gastrointestinal Diseases / prevention & control; Humans; Poultry / microbiology; Symbiosis; Vaccination
Sources: Crossref, ORCID
Added: August 29, 2019

2013 chapter

Miscellaneous diseases

In D. Swayne (Ed.), Diseases of Poultry (13th ed., pp. 1233–1270). Ames, Iowa. Pages: Iowa State Press.

By: R. Crespo & H. Shivaprasad

Ed(s): D. Swayne

Source: NC State University Libraries
Added: February 20, 2021

2013 journal article

Outbreak of Listeria monocytogenes in an urban poultry flock

BMC Veterinary Research, 9(1), 204.

By: R. Crespo*, M. Garner, S. Hopkins* & D. Shah*

MeSH headings : Animals; Anti-Bacterial Agents / therapeutic use; Chickens; Disease Outbreaks / veterinary; Enrofloxacin; Fluoroquinolones / therapeutic use; Listeriosis / drug therapy; Listeriosis / epidemiology; Listeriosis / microbiology; Listeriosis / veterinary; Poultry Diseases / drug therapy; Poultry Diseases / epidemiology; Poultry Diseases / microbiology
Sources: Crossref, ORCID
Added: August 29, 2019

2013 journal article

Production and Evaluation of Chicken Egg-Yolk-Derived Antibodies Against Campylobacter jejuni Colonization-Associated Proteins

Foodborne Pathogens and Disease, 10(7), 624–631.

By: S. Al-Adwani*, R. Crespo* & D. Shah

MeSH headings : Animals; Antibodies, Bacterial / biosynthesis; Antibodies, Bacterial / blood; Antibody Specificity; Antigens, Bacterial / genetics; Antigens, Bacterial / immunology; Antigens, Bacterial / isolation & purification; Antigens, Bacterial / metabolism; Bacterial Proteins / genetics; Bacterial Proteins / immunology; Bacterial Proteins / isolation & purification; Bacterial Proteins / metabolism; Campylobacter Infections / immunology; Campylobacter Infections / microbiology; Campylobacter Infections / veterinary; Campylobacter jejuni / immunology; Cell Line, Tumor; Chickens; Egg Yolk / immunology; Enzyme-Linked Immunosorbent Assay / veterinary; Female; Humans; Immunization / veterinary; Immunoglobulins / blood; Immunoglobulins / immunology; Microscopy, Fluorescence / veterinary; Recombinant Proteins; Specific Pathogen-Free Organisms
Sources: Crossref, ORCID
Added: January 5, 2020

2013 journal article

Ulcerative Enteritis-like Disease Associated with Clostridium sordellii in Quail

Avian Diseases, 57(3), 698–702.

By: R. Crespo*, M. Franca* & H. Shivaprasad*

author keywords: Clostridium sordellii; enteritis; quail
MeSH headings : Animals; Bird Diseases / microbiology; Bird Diseases / pathology; Birds; California / epidemiology; Clostridium Infections / microbiology; Clostridium Infections / pathology; Clostridium Infections / veterinary; Clostridium sordellii / isolation & purification; Clostridium sordellii / physiology; Colinus; Colony Count, Microbial / veterinary; Disease Outbreaks / veterinary; Enteritis / microbiology; Enteritis / pathology; Enteritis / veterinary; Intestines / microbiology; Intestines / pathology; Liver / microbiology; Liver / pathology; Quail; Retrospective Studies
Sources: Crossref, ORCID
Added: August 29, 2019

2013 book

Velogenic Newcastle-slide study set

Jacksonville, FL: American Association of Avian Pathologists.

By: H. Shivaprasad & R. Crespo

Source: NC State University Libraries
Added: February 20, 2021

2012 journal article

Detection of Salmonella Enteritidis (SE) Bacterin in Environmental Samples from Poultry Houses Using the RapidChek SE Immunoassay

Avian Diseases, 56(3), 621–624.

By: R. Crespo*, D. Schaberg* & C. Warren*

author keywords: bacterin; chicken; immunoassay; Salmonella
MeSH headings : Animals; Chickens; Environmental Microbiology; Female; Housing, Animal; Immunoassay / methods; Salmonella enteritidis / isolation & purification
Sources: Crossref, ORCID
Added: January 5, 2020

2011 journal article

Rupture of Gastrocnemius Tendon in Broiler Breeder Hens

Avian Diseases, 55(3), 495–498.

By: R. Crespo* & H. Shivaprasad

author keywords: chicken; lameness; rupture; tendon
MeSH headings : Aggression; Animals; California; Chickens; Female; Muscle, Skeletal / injuries; Muscle, Skeletal / pathology; Poultry Diseases / etiology; Poultry Diseases / pathology; Rupture, Spontaneous / etiology; Rupture, Spontaneous / pathology; Rupture, Spontaneous / veterinary; Tendon Injuries / etiology; Tendon Injuries / pathology; Tendon Injuries / veterinary; Tendons / pathology
Sources: Crossref, ORCID
Added: January 5, 2020

2010 journal article

Decrease of Fertility in a Broiler Breeder Flock due to Testicular Atrophy

Avian Diseases, 54(1), 142–145.

By: R. Crespo* & H. Shivaprasad*

author keywords: atrophy; chicken; fertility; male; spermatogenesis; testes; weight
MeSH headings : Animal Husbandry / standards; Animals; Atrophy / pathology; Atrophy / veterinary; Bird Diseases; Chickens; Housing, Animal; Infertility, Male / veterinary; Male; Testicular Diseases / pathology; Testicular Diseases / veterinary; Testis / pathology
Sources: Crossref, ORCID
Added: January 5, 2020

2010 journal article

Pet Poultry Training for Veterinary Practitioners

Journal of Veterinary Medical Education, 37(4), 383–387.

By: R. Crespo*, C. Faux, S. Dhillon, R. Newberry & D. Moore

author keywords: chickens; disease; pet; poultry; public health; urban; zoonosis
MeSH headings : Animals; Attitude of Health Personnel; Curriculum; Education, Continuing / methods; Education, Veterinary / methods; Humans; Interprofessional Relations; Pets; Poultry; United States; Urban Population; Veterinary Medicine / methods; Washington; Zoonoses
Sources: Crossref, ORCID
Added: January 5, 2020

2010 journal article

Retrospective Study of Myocarditis Associated with Reovirus in Turkeys

Avian Diseases, 54(3), 1026–1031.

By: M. França*, R. Crespo*, R. Chin*, P. Woolcock* & H. Shivaprasad*

author keywords: turkey; myocarditis; reovirus
MeSH headings : Animals; Female; Male; Myocarditis / pathology; Myocarditis / veterinary; Myocarditis / virology; Myocardium / pathology; Orthoreovirus, Avian; Poultry Diseases / virology; Reoviridae Infections / pathology; Reoviridae Infections / veterinary; Retrospective Studies; Turkeys
Sources: Crossref, ORCID
Added: January 5, 2020

2010 chapter

Urate Deposition (Gout)

In The Merck Veterinary Manual (10th ed., p. 2473). Whitehouse Station, New Jersey. Page: Merck & Co. Inc.

By: R. Crespo

Source: NC State University Libraries
Added: February 20, 2021

2009 journal article

Intervention Strategies for Laryngotracheitis: Impact of Extended Downtime and Enhanced Biosecurity Auditing

Avian Diseases, 53(4), 574–577.

By: R. Chin, M. García*, C. Corsiglia, S. Riblet*, R. Crespo*, H. Shivaprasad, A. Rodríguez-Avila*, P. Woolcock, M. França

author keywords: laryngotracheitis; extended downtime; vaccination; biosecurity
MeSH headings : Animal Husbandry; Animals; California / epidemiology; Chickens; Disease Outbreaks / veterinary; Herpesviridae Infections / epidemiology; Herpesviridae Infections / prevention & control; Herpesviridae Infections / veterinary; Herpesvirus 1, Gallid; Housing, Animal; Poultry Diseases / epidemiology; Poultry Diseases / prevention & control; Poultry Diseases / virology; Time Factors
Sources: Crossref, ORCID
Added: February 12, 2021

2009 journal article

Isolation and Distribution of West Nile Virus in Embryonated Chicken Eggs

Avian Diseases, 53(4), 608–612.

By: R. Crespo*, H. Shivaprasad*, M. França* & P. Woolcock*

author keywords: egg; chicken; chorioallantoic membrane; West Nile virus
MeSH headings : Animals; Chick Embryo / ultrastructure; Chick Embryo / virology; Microscopy, Electron; Ovum; Psittaciformes; Virus Replication; West Nile Fever / veterinary; West Nile Fever / virology; West Nile virus / physiology
Sources: Crossref, ORCID
Added: September 1, 2020

2008 journal article

Bilateral Malacia Associated with Sodium Poisoning in Turkey Poults

Avian Diseases, 52(1), 179–182.

By: R. Crespo*, M. Subbiah*, C. Corsiglia, A. Bickford* & B. Puschner*

author keywords: Malacia; poisoning; poult; toxicity; turkey; salt; sodium
MeSH headings : Animals; Brain / metabolism; Brain / pathology; Brain Diseases / chemically induced; Brain Diseases / pathology; Brain Diseases / veterinary; Liver / metabolism; Poisoning / diagnosis; Poisoning / veterinary; Poultry Diseases / chemically induced; Poultry Diseases / diagnosis; Poultry Diseases / pathology; Sodium / analysis; Sodium / poisoning; Turkeys; Water Supply / analysis
Sources: Crossref, ORCID
Added: September 1, 2020

2008 journal article

Coxiella-Like Infection in Psittacines and a Toucan

Avian Diseases, 52(3), 426–432.

By: H. Shivaprasad*, M. Cadenas n, S. Diab*, R. Nordhausen*, D. Bradway*, R. Crespo*, E. Breitschwerdt n

author keywords: avian; psittacines; toucan; hepatitis; splenitis; Coxiella
MeSH headings : Animals; Base Sequence; Bird Diseases / microbiology; Bird Diseases / pathology; Coxiella / genetics; DNA Primers / genetics; Fatal Outcome; Gram-Negative Bacterial Infections / pathology; Gram-Negative Bacterial Infections / veterinary; Immunohistochemistry; Liver / ultrastructure; Microscopy, Electron; Molecular Sequence Data; Psittaciformes; RNA, Ribosomal, 16S / genetics; Sequence Analysis, DNA
Sources: Crossref, ORCID, Web Of Science
Added: August 6, 2018

2008 journal article

Facial Cellulitis Induced in Chickens by Mycoplasma gallisepticum Bacterin and Its Treatment

Avian Diseases, 52(4), 698–701.

By: R. Crespo* & R. McMillan*

author keywords: bacterin; cellulitis; chicken; methyl prednisol acetate
MeSH headings : Adjuvants, Immunologic / administration & dosage; Adjuvants, Immunologic / adverse effects; Animals; Anti-Bacterial Agents / therapeutic use; Anti-Inflammatory Agents / therapeutic use; Bacterial Vaccines / administration & dosage; Bacterial Vaccines / adverse effects; Bacterial Vaccines / immunology; Cellulitis / chemically induced; Cellulitis / drug therapy; Cellulitis / veterinary; Chickens; Comb and Wattles / pathology; Injections, Subcutaneous / adverse effects; Injections, Subcutaneous / veterinary; Methylprednisolone / analogs & derivatives; Methylprednisolone / therapeutic use; Methylprednisolone Acetate; Mycoplasma Infections / prevention & control; Mycoplasma gallisepticum / immunology; Neck; Poultry Diseases / chemically induced; Poultry Diseases / drug therapy; Poultry Diseases / pathology; Tylosin / therapeutic use
Sources: Crossref, ORCID
Added: February 12, 2021

2008 journal article

Interaction of Ionophore and Vitamin E in Knockdown Syndrome of Turkeys

Journal of Veterinary Diagnostic Investigation, 20(4), 472–476.

By: R. Crespo*, H. Shivaprasad*, F. Sommer* & B. Puschner*

author keywords: Ionophore; knockdown syndrome; monensin; turkeys; vitamin E
MeSH headings : Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Antiprotozoal Agents / administration & dosage; Antiprotozoal Agents / adverse effects; Antiprotozoal Agents / blood; Diet / veterinary; Dietary Supplements; Drug Interactions; Liver / chemistry; Monensin / administration & dosage; Monensin / adverse effects; Monensin / blood; Muscle, Skeletal / pathology; Muscular Diseases / chemically induced; Muscular Diseases / veterinary; Poultry Diseases / pathology; Turkeys; Vitamin E / administration & dosage; Vitamin E / adverse effects; Vitamin E / analysis; Vitamins / administration & dosage; Vitamins / adverse effects; Vitamins / analysis
Sources: Crossref, ORCID
Added: September 1, 2020

2008 chapter

Miscellaneous diseases

In Y. M. Saif (Ed.), Diseases of Poultry (12th ed., pp. 1149–1195). Ames, Iowa. Pages: Iowa State Press.

By: R. Crespo & H. Shivaprasad

Ed(s): Y. Saif

Source: NC State University Libraries
Added: February 20, 2021

2007 journal article

Comparison of Diagnostics Techniques in an Outbreak of Infectious Laryngotracheitis from Meat Chickens

Avian Diseases, 51(4), 858–862.

By: R. Crespo*, P. Woolcock*, R. Chin*, H. Shivaprasad* & M. García*

author keywords: chicken; fluorescent antibody; herpesvirus; infectious laryngotracheitis; syncytial cell
MeSH headings : Animals; Chickens; Disease Outbreaks / veterinary; Herpesviridae Infections / diagnosis; Herpesviridae Infections / epidemiology; Herpesviridae Infections / veterinary; Herpesvirus 1, Gallid; Larynx / pathology; Meat; Poultry Diseases / diagnosis; Poultry Diseases / virology; Trachea / pathology; Trachea / virology
Sources: Crossref, ORCID
Added: September 1, 2020

2007 journal article

Toxinotypes of Clostridium Perfringens Isolated from Sick and Healthy Avian Species

Journal of Veterinary Diagnostic Investigation, 19(3), 329–333.

By: R. Crespo*, D. Fisher*, H. Shivaprasad*, M. Fernández-Miyakawa* & F. Uzal*

author keywords: avian; beta2 toxin; Clostridium perfringens; necrotic enteritis; PCR
Sources: Crossref, ORCID
Added: September 1, 2020

2006 journal article

Otitis Interna (Labyrinthitis) Associated with Salmonella enterica arizonae in Turkey Poults

Avian Diseases, 50(1), 135–138.

By: H. Shivaprasad*, P. Cortes* & R. Crespo*

author keywords: otitis interna; turkey poults; meningoencephalitis; vestibulocochlear nerve; Salmonella enterica arizonae
MeSH headings : Animals; Labyrinthitis / complications; Labyrinthitis / diagnosis; Labyrinthitis / microbiology; Labyrinthitis / veterinary; Poultry Diseases / diagnosis; Poultry Diseases / microbiology; Poultry Diseases / pathology; Salmonella Infections, Animal / complications; Salmonella Infections, Animal / diagnosis; Salmonella Infections, Animal / microbiology; Salmonella Infections, Animal / pathology; Salmonella arizonae / isolation & purification; Turkeys
Sources: Crossref, ORCID
Added: February 12, 2021

2006 journal article

Skin and Abdominal Fascia Melanization in Broiler Chickens

Avian Diseases, 50(2), 309–311.

By: R. Crespo* & M. Pizarro*

author keywords: dermal melanization; dermis; eumelanin; fascia; skin
MeSH headings : Adipose Tissue / pathology; Animals; Chickens; Female; Hindlimb; Male; Melanosis / genetics; Melanosis / pathology; Melanosis / veterinary; Poultry Diseases / diagnosis; Poultry Diseases / genetics; Poultry Diseases / pathology; Skin / pathology
Sources: Crossref, ORCID
Added: September 1, 2020

2006 journal article

Vitamin a Deficiency in Turkey Poults

Journal of Veterinary Diagnostic Investigation, 18(5), 489–494.

By: P. Cortes*, A. Tiwary*, B. Puschner*, R. Crespo*, R. Chin*, M. Bland*, H. Shivaprasad*

author keywords: hyperkeratinization; hypovitaminosis A; squamous metaplasia; vitamin A deficiency
MeSH headings : Animals; Histocytochemistry / veterinary; Poultry Diseases / blood; Poultry Diseases / diagnosis; Poultry Diseases / pathology; Poultry Diseases / therapy; Turkeys; Vitamin A / administration & dosage; Vitamin A / blood; Vitamin A Deficiency / blood; Vitamin A Deficiency / drug therapy; Vitamin A Deficiency / pathology; Vitamin A Deficiency / veterinary
Sources: Crossref, ORCID
Added: September 1, 2020

2004 journal article

Coronary artery rupture in male commercial turkeys

Avian Pathology, 33(2), 226–232.

By: H. Shivaprasad*, R. Crespo* & B. Puschner*

MeSH headings : Animals; Aorta / pathology; Body Weight; Copper / analysis; Coronary Vessels / pathology; Liver / chemistry; Male; Necrosis; Poultry Diseases / pathology; Rupture, Spontaneous / mortality; Rupture, Spontaneous / pathology; Rupture, Spontaneous / veterinary; Turkeys; Zinc / analysis
Sources: Crossref, ORCID
Added: September 1, 2020

2004 journal article

Effect of Feeding Green Onions (Allium Ascalonicum) to White Chinese Geese (Threskiornis Spinicollis)

Journal of Veterinary Diagnostic Investigation, 16(4), 321–325.

By: R. Crespo* & R. Chin*

MeSH headings : Anemia / etiology; Anemia / veterinary; Animal Feed; Animals; Geese; Liver / pathology; Liver Diseases / etiology; Liver Diseases / veterinary; Plants, Edible; Poisoning / veterinary; Poultry Diseases / etiology; Shallots / chemistry; Shallots / poisoning
Sources: Crossref, ORCID
Added: September 1, 2020

2004 journal article

Histomoniasis in the Bursa of Fabricius of Chickens

Avian Diseases, 48(3), 711–715.

By: P. Cortes*, R. Chin*, M. Bland*, R. Crespo* & H. Shivaprasad*

author keywords: histomoniasis; blackhead; bursa of Fabricius; chicken; Heterakis
MeSH headings : Animals; Bursa of Fabricius / parasitology; Bursa of Fabricius / pathology; California; Chickens / parasitology; Fatal Outcome; Histological Techniques / veterinary; Poultry Diseases / parasitology; Poultry Diseases / pathology; Protozoan Infections / pathology
Sources: Crossref, ORCID
Added: September 1, 2020

2004 journal article

Phenotypic and Genotypic Characterization of Salmonella arizonae from an Integrated Turkey Operation

Avian Diseases, 48(2), 344–350.

By: R. Crespo*, J. Jeffrey*, R. Chin*, G. Sentíes-Cué* & H. Shivaprasad*

MeSH headings : Animals; DNA, Bacterial / analysis; Drug Resistance, Bacterial / drug effects; Eggs / microbiology; Electrophoresis, Gel, Pulsed-Field / methods; Electrophoresis, Gel, Pulsed-Field / veterinary; Genotype; Infectious Disease Transmission, Vertical; Meat / microbiology; Phenotype; Poultry Diseases / genetics; Poultry Diseases / microbiology; Poultry Diseases / transmission; Retrospective Studies; Salmonella Infections, Animal / genetics; Salmonella Infections, Animal / microbiology; Salmonella Infections, Animal / transmission; Salmonella arizonae / genetics; Salmonella arizonae / isolation & purification; Serology; Turkeys / microbiology
Sources: Crossref, ORCID
Added: February 12, 2021

2003 journal article

Focal Transmural Necrotic Tracheitis in Commerical Meat Turkeys

Avian Diseases, 47(1), 234–239.

By: G. Sentíes-Cué*, R. Crespo* & R. Chin*

author keywords: necrotic; toxic irritant; tracheitis; turkeys
Sources: Crossref, ORCID
Added: February 12, 2021

2003 chapter

Miscellaneous diseases

In Y. M. Saif (Ed.), Diseases of Poultry (11th ed., pp. 1055–1102). Ames, Iowa. Pages: Iowa State Press.

By: R. Crespo & H. Shivaprasad

Ed(s): Y. Saif

Source: NC State University Libraries
Added: February 20, 2021

2002 journal article

Avulsion of the Common Retinaculum in Meat Turkeys

Avian Diseases, 46(1), 245–248.

By: R. Crespo*, G. Ghazikhanian & C. Hall

author keywords: avulsion; condemnation; common retinaculum; downgrading; turkey
Sources: Crossref, ORCID
Added: February 12, 2021

2002 journal article

Characterization of T-cell lymphomas associated with an outbreak of reticuloendotheliosis in turkeys

Avian Pathology, 31(4), 355–361.

By: R. Crespo*, P. Woolcock*, A. Fadly*, C. Hall* & H. Shivaprasad*

MeSH headings : Animals; California / epidemiology; Cell Nucleus / pathology; Cell Nucleus / ultrastructure; Conjunctiva / pathology; Disease Outbreaks / veterinary; Liver / pathology; Lymphoma, T-Cell / epidemiology; Lymphoma, T-Cell / pathology; Lymphoma, T-Cell / veterinary; Meat; Poultry Diseases / epidemiology; Poultry Diseases / pathology; Reticuloendotheliosis Viruses, Avian / isolation & purification; Reticuloendotheliosis, Avian / epidemiology; Reticuloendotheliosis, Avian / pathology; Reticuloendotheliosis, Avian / veterinary; Turkeys
Sources: Crossref, ORCID
Added: September 1, 2020

2002 journal article

Microstructure and mineral content of femora in male turkeys with and without fractures

Poultry Science, 81(8), 1184–1190.

By: R. Crespo*, S. Stover*, H. Shivaprasad* & R. Chin*

author keywords: femoral fracture; collagen; microstructure; mineral density; turkey
MeSH headings : Animals; Calcium / analysis; Copper / analysis; Femoral Fractures / metabolism; Femoral Fractures / pathology; Femoral Fractures / veterinary; Femur / chemistry; Femur / diagnostic imaging; Femur / ultrastructure; Male; Manganese / analysis; Microradiography; Minerals / analysis; Phosphorus / analysis; Poultry Diseases / diagnostic imaging; Poultry Diseases / metabolism; Poultry Diseases / pathology; Turkeys; Zinc / analysis
Sources: Crossref, ORCID
Added: February 12, 2021

2002 journal article

Myopathy in brown pelicans (Pelicanus occidentalis) associated with rancid feed

Veterinary Record, 150(10), 307–311.

By: H. Shivaprasad*, R. Crespo*, B. Puschner*, S. Lynch & L. Wright

MeSH headings : Animals; Bird Diseases / etiology; Bird Diseases / pathology; Birds; Food Contamination; Liver / metabolism; Liver / pathology; Muscular Diseases / etiology; Muscular Diseases / pathology; Muscular Diseases / veterinary; Vitamin E Deficiency / complications
Sources: Crossref, ORCID
Added: February 12, 2021

2001 journal article

Salpingitis in Pekin Ducks Associated with Concurrent Infection with Tetratrichomonas sp. and Escherichia Coli

Journal of Veterinary Diagnostic Investigation, 13(3), 240–245.

By: R. Crespo*, R. Walker*, R. Nordhausen*, S. Sawyer* & R. Manalac*

MeSH headings : Animals; Animals, Domestic; Autopsy / veterinary; DNA, Protozoan / analysis; Ducks; Escherichia coli Infections / pathology; Escherichia coli Infections / veterinary; Female; Peritonitis / microbiology; Peritonitis / veterinary; Poultry Diseases / microbiology; Poultry Diseases / parasitology; Poultry Diseases / pathology; RNA, Ribosomal / analysis; Salpingitis / microbiology; Salpingitis / parasitology; Salpingitis / veterinary; Trichomonadida / isolation & purification; Trichomonadida / pathogenicity
Sources: Crossref, ORCID
Added: February 12, 2021

2000 journal article

Morphometric and mechanical properties of femora in young adult male turkeys with and without femoral fractures

Poultry Science, 79(4), 602–608.

By: R. Crespo*, S. Stover*, K. Taylor*, R. Chin* & H. Shivaprasad*

author keywords: femur; turkey; femoral fracture; morphometry; biomechanics
MeSH headings : Animals; Biomechanical Phenomena; Body Weight; Femoral Fractures / pathology; Femoral Fractures / physiopathology; Femoral Fractures / veterinary; Femur / pathology; Femur / physiopathology; Male; Poultry Diseases / pathology; Poultry Diseases / physiopathology; Turkeys
Sources: Crossref, ORCID
Added: February 12, 2021

1999 journal article

Exotic Newcastle Disease in a Game Chicken Flock

Avian Diseases, 43(2), 349.

By: R. Crespo*, H. Shivaprasad, P. Woolcock, R. Chin, D. Davidson-York & R. Tarbell

author keywords: game chickens; avian paramyxovirus type 1; pathology; exotic Newcastle disease; virus isolation
Sources: Crossref, ORCID
Added: September 1, 2020

1999 journal article

Femoral Fractures in a Young Male Turkey Breeder Flock

Avian Diseases, 43(1), 150–154.

By: R. Crespo*, S. Stover, R. Droual, R. Chin & H. Shivaprasad

author keywords: endosteal callus; femur fracture; periosteal callus; turkey
Sources: Crossref, ORCID
Added: February 12, 2021

1998 journal article

Development of the Thoracic Air Sacs of Turkeys with Age and Rearing Conditions

Avian Diseases, 42(1), 35.

By: R. Crespo*, S. Yamashiro & D. Hunter

author keywords: cilia; commercial; electron microscopy; epithelium; exfoliative cytology; guided fiberoptic endoscopy; histology; isolation; Meleagris gallopavo; microvilli; surfactant; thoracic air sac; turkey; type II pneumocytes
Sources: Crossref, ORCID
Added: September 1, 2020

1998 journal article

Endoscopic Gross Anatomy Findings of the Thoracic Air Sac of the Turkey

Avian Diseases, 42(1), 179.

By: R. Crespo*, M. Taylor & D. Hunter

author keywords: blind sac; caudal thoracic air sac; cranial thoracic air sac; endoscope; invagination; Meleagris gallopavo; ostium; turkey
Sources: Crossref, ORCID
Added: September 1, 2020

1998 journal article

Evaluation of Different Procedures for Processing Avian Air Sac Lavage Fluid

Avian Diseases, 42(1), 20.

By: R. Crespo*, T. Stirtzinger & D. Hunter

author keywords: air sac; anticoagulant; cell quality index; centrifugation speed; endoscope; fixative; lavage; Meleagris gallopavo; protein; temperature; time to processing; turkey
Sources: Crossref, ORCID
Added: September 1, 2020

1998 journal article

Inclusion Body Tracheitis Associated with Avian Adenovirus in Turkeys

Avian Diseases, 42(3), 589–596.

By: R. Crespo*, H. Shivaprasad*, R. Droual*, R. Chin*, P. Woolcock* & T. Carpenter

author keywords: adenovirus; electron microscopy; immunohistochemistry; inclusion bodies; trachea; turkey; virus isolation
Sources: Crossref, ORCID
Added: February 12, 2021

Employment

Updated: December 27th, 2018 09:23

2018 - present

North Carolina State University Raleigh, NC, US
professor Population Health and Pathobiology, College of Veterinary Medicine

2009 - 2018

Washington State University Pullman, WA, US
professor Washington Animal Disease Diagnostic Laboratory, College of Veterinary Medicine

1996 - 2009

University of California Davis Davis, CA, US
Associate Professor and Branch Chief California Animal Health and Food Safety, College of Veterinary Medicine

Education

Updated: December 27th, 2018 09:33

1993 - 1996

University of Guelph Guelph, ON, CA
DVSc Pathobiology, Ontario Veterinary College

1990 - 1993

University of Guelph Guelph, ON, CA
MS Animal Science

1983 - 1988

Universidad Complutense de Madrid Madrid, Comunidad de Madrid, ES
Licenciado veterinario