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N., Cornell, K. A., Crespo, R., Snyder, W. E., & Owen, J. P. (2022, July 23). Diversity and Prevalence of Ectoparasites on Poultry from Open Environment Farms in the Western-United States of Washington, Idaho, Oregon, and California. JOURNAL OF MEDICAL ENTOMOLOGY, Vol. 7. https://doi.org/10.1093/jme/tjac093 Boyett, T., Crespo, R., Vinueza, V. C., Gaghan, C., Mohammed, J. P., & Kulkarni, R. R. (2022). Enumeration and speciation of coccidia affecting turkeys using flow cytometry method. JOURNAL OF APPLIED POULTRY RESEARCH, 31(3). https://doi.org/10.1016/j.japr.2022.100270 Adams, D., Gruber, E., Sather, H., Correa, M., & Crespo, R. (2022). Evaluation of Growing Turkey Blood Biochemistry Panel Measured Using the VetScan VS2. Poultry. https://doi.org/10.3390/poultry1020012 Adams, D. S., Ruiz-Jimenez, F., Fletcher, O. J., Gall, S., & Crespo, R. (2022). Image analysis for Eimeria oocyst counts and classification. 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POULTRY SCIENCE, 99(8), 3831–3840. https://doi.org/10.1016/j.psj.2020.05.018 Shah, D. H., Board, M. M., Crespo, R., Guard, J., Paul, N. C., & Faux, C. (2020). 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. https://doi.org/10.1111/zph.12756 Crespo, R., Dowd, S. E., Varland, D. E., Ford, S., & Hamer, T. E. (2019, January 3). Bacterial Diversity in Feces of Wild Bald Eagles, Turkey Vultures and Common Ravens from the Pacific Northwest Coast, U.S.A. BioRxiv, Vol. 1. https://doi.org/10.1101/511147 Groff, T. C., Lorenz, T. J., Crespo, R., Iezhova, T., Valkiūnas, G., & Sehgal, R. N. M. (2019). 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. https://doi.org/10.1016/j.ijppaw.2019.07.007 Crespo, R., Bland, M., & Opriessnig, T. (2019). 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. https://doi.org/10.1637/12004-112118-Case.1 Board, M. M., Crespo, R., Shah, D. H., & Faux, C. M. (2018). Biochemical Reference Intervals for Backyard Hens. JOURNAL OF AVIAN MEDICINE AND SURGERY, 32(4), 301–306. https://doi.org/10.1647/2018-301 Board, M. M., Crespo, R., Shah, D. H., & Faux, C. M. (2018). Biochemical reference intervals for backyard hens. Journal of Avian Medicine and Surgery, 32(4), 301–306. https://doi.org/10.1647/2017-310 Crespo, R., França, M. S., Fenton, H., & Shivaprasad, H. L. (2018). Galliformes and Columbiformes. 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Avian Diseases, 59(3), 388–393. https://doi.org/10.1637/11070-032215-reg.1 Warren, C. A., Weber, S. K., & Crespo, R. (2015). 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. https://doi.org/10.3382/japr/pfv060 Crespo, R., & Shivaprasad, H. L. (2015). 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. Crespo, R., & Shivaprasad, H. L. (2015). 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. Crespo, R. (2015). Laboratory Diagnostic Procedures in Poultry. In J. Brugere-Picoux & J.-P. 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(2014). Reducing Campylobacter jejuni Colonization of Poultry via Vaccination. PLoS ONE, 9(12), e114254. https://doi.org/10.1371/journal.pone.0114254 Crespo, R., & Shivaprasad, H. L. (2013). Miscellaneous diseases. In D. Swayne (Ed.), Diseases of Poultry (13th ed., pp. 1233–1270). Ames, Iowa. Pages: Iowa State Press. Crespo, R., Garner, M. M., Hopkins, S. G., & Shah, D. H. (2013). Outbreak of Listeria monocytogenes in an urban poultry flock. BMC Veterinary Research, 9(1), 204. https://doi.org/10.1186/1746-6148-9-204 Al-Adwani, S. R., Crespo, R., & Shah, D. H. (2013). Production and Evaluation of Chicken Egg-Yolk-Derived Antibodies Against Campylobacter jejuni Colonization-Associated Proteins. Foodborne Pathogens and Disease, 10(7), 624–631. https://doi.org/10.1089/fpd.2012.1313 Crespo, R., Franca, M., & Shivaprasad, H. L. (2013). Ulcerative Enteritis-like Disease Associated with Clostridium sordellii in Quail. Avian Diseases, 57(3), 698–702. https://doi.org/10.1637/10485-010813-case.1 Shivaprasad, H. L., & Crespo, R. (2013). Velogenic Newcastle-slide study set. Jacksonville, FL: American Association of Avian Pathologists. Crespo, R., Schaberg, D., & Warren, C. (2012). Detection of Salmonella Enteritidis (SE) Bacterin in Environmental Samples from Poultry Houses Using the RapidChek SE Immunoassay. Avian Diseases, 56(3), 621–624. https://doi.org/10.1637/10137-031912-case.1 Crespo, R., & Shivaprasad, H. L. (2011). Rupture of Gastrocnemius Tendon in Broiler Breeder Hens. Avian Diseases, 55(3), 495–498. https://doi.org/10.1637/9669-012711-case.1 Crespo, R., & Shivaprasad, H. L. (2010). Decrease of Fertility in a Broiler Breeder Flock due to Testicular Atrophy. Avian Diseases, 54(1), 142–145. https://doi.org/10.1637/8876-041409-case.1 Crespo, R., Faux, C., Dhillon, S. A., Newberry, R. C., & Moore, D. A. (2010). Pet Poultry Training for Veterinary Practitioners. Journal of Veterinary Medical Education, 37(4), 383–387. https://doi.org/10.3138/jvme.37.4.383 França, M., Crespo, R., Chin, R., Woolcock, P., & Shivaprasad, H. L. (2010). Retrospective Study of Myocarditis Associated with Reovirus in Turkeys. Avian Diseases, 54(3), 1026–1031. https://doi.org/10.1637/9262-020110-reg.1 Crespo, R. (2010). Urate Deposition (Gout). In The Merck Veterinary Manual (10th ed., p. 2473). Whitehouse Station, New Jersey. Page: Merck & Co. Inc. Chin, R. P., García, M., Corsiglia, C., Riblet, S., Crespo, R., Shivaprasad, H. L., … França, M. (2009). Intervention Strategies for Laryngotracheitis: Impact of Extended Downtime and Enhanced Biosecurity Auditing. Avian Diseases, 53(4), 574–577. https://doi.org/10.1637/8873-041309-reg.1 Crespo, R., Shivaprasad, H. L., França, M., & Woolcock, P. R. (2009). Isolation and Distribution of West Nile Virus in Embryonated Chicken Eggs. Avian Diseases, 53(4), 608–612. https://doi.org/10.1637/8829-040209-resnote.1 Crespo, R., Subbiah, M., Corsiglia, C., Bickford, A., & Puschner, B. (2008). Bilateral Malacia Associated with Sodium Poisoning in Turkey Poults. Avian Diseases, 52(1), 179–182. https://doi.org/10.1637/8025-053107-case Shivaprasad, H. L., Cadenas, M. B., Diab, S. S., Nordhausen, R., Bradway, D., Crespo, R., & Breitschwerdt, E. B. (2008). Coxiella-Like Infection in Psittacines and a Toucan. Avian Diseases, 52(3), 426–432. https://doi.org/10.1637/8192-120707-reg Crespo, R., & McMillan, R. (2008). Facial Cellulitis Induced in Chickens by Mycoplasma gallisepticum Bacterin and Its Treatment. Avian Diseases, 52(4), 698–701. https://doi.org/10.1637/8342-050108-case.1 Crespo, R., Shivaprasad, H. L., Sommer, F., & Puschner, B. (2008). Interaction of Ionophore and Vitamin E in Knockdown Syndrome of Turkeys. Journal of Veterinary Diagnostic Investigation, 20(4), 472–476. https://doi.org/10.1177/104063870802000409 Crespo, R., & Shivaprasad, H. L. (2008). Miscellaneous diseases. In Y. M. Saif (Ed.), Diseases of Poultry (12th ed., pp. 1149–1195). Ames, Iowa. Pages: Iowa State Press. Crespo, R., Woolcock, P. R., Chin, R. P., Shivaprasad, H. L., & García, M. (2007). Comparison of Diagnostics Techniques in an Outbreak of Infectious Laryngotracheitis from Meat Chickens. Avian Diseases, 51(4), 858–862. https://doi.org/10.1637/7875-011907-regr1.1 Crespo, R., Fisher, D. J., Shivaprasad, H. L., Fernández-Miyakawa, M. E., & Uzal, F. A. (2007). Toxinotypes of Clostridium Perfringens Isolated from Sick and Healthy Avian Species. Journal of Veterinary Diagnostic Investigation, 19(3), 329–333. https://doi.org/10.1177/104063870701900321 Shivaprasad, H. L., Cortes, P., & Crespo, R. (2006). Otitis Interna (Labyrinthitis) Associated with Salmonella enterica arizonae in Turkey Poults. Avian Diseases, 50(1), 135–138. https://doi.org/10.1637/7379-051205r.1 Crespo, R., & Pizarro, M. (2006). Skin and Abdominal Fascia Melanization in Broiler Chickens. Avian Diseases, 50(2), 309–311. https://doi.org/10.1637/7425-082405r.1 Cortes, P. L., Tiwary, A. K., Puschner, B., Crespo, R. M., Chin, R. P., Bland, M., & Shivaprasad, H. L. (2006). Vitamin a Deficiency in Turkey Poults. Journal of Veterinary Diagnostic Investigation, 18(5), 489–494. https://doi.org/10.1177/104063870601800514 Shivaprasad, H. L., Crespo, R., & Puschner, B. (2004). Coronary artery rupture in male commercial turkeys. Avian Pathology, 33(2), 226–232. https://doi.org/10.1080/0307945042000195777 Crespo, R., & Chin, R. P. (2004). Effect of Feeding Green Onions (Allium Ascalonicum) to White Chinese Geese (Threskiornis Spinicollis). Journal of Veterinary Diagnostic Investigation, 16(4), 321–325. https://doi.org/10.1177/104063870401600411 Cortes, P. L., Chin, R. P., Bland, M. C., Crespo, R., & Shivaprasad, H. L. (2004). Histomoniasis in the Bursa of Fabricius of Chickens. Avian Diseases, 48(3), 711–715. https://doi.org/10.1637/7175-030404r Crespo, R., Jeffrey, J. S., Chin, R. P., Sentíes-Cué, G., & Shivaprasad, H. L. (2004). Phenotypic and Genotypic Characterization of Salmonella arizonae from an Integrated Turkey Operation. Avian Diseases, 48(2), 344–350. https://doi.org/10.1637/7116 Sentíes-Cué, G., Crespo, R., & Chin, R. P. (2003). Focal Transmural Necrotic Tracheitis in Commerical Meat Turkeys. Avian Diseases, 47(1), 234–239. https://doi.org/10.1637/0005-2086(2003)047[0234:ftntic]2.0.co;2 Crespo, R., & Shivaprasad, H. L. (2003). Miscellaneous diseases. In Y. M. Saif (Ed.), Diseases of Poultry (11th ed., pp. 1055–1102). Ames, Iowa. Pages: Iowa State Press. Crespo, R., Ghazikhanian, G. Y., & Hall, C. I. (2002). Avulsion of the Common Retinaculum in Meat Turkeys. Avian Diseases, 46(1), 245–248. https://doi.org/10.1637/0005-2086(2002)046[0245:aotcri]2.0.co;2 Crespo, R., Woolcock, P. R., Fadly, A. M., Hall, C., & Shivaprasad, H. L. (2002). Characterization of T-cell lymphomas associated with an outbreak of reticuloendotheliosis in turkeys. Avian Pathology, 31(4), 355–361. https://doi.org/10.1080/03079450220141624 Crespo, R., Stover, S., Shivaprasad, H., & Chin, R. (2002). Microstructure and mineral content of femora in male turkeys with and without fractures. Poultry Science, 81(8), 1184–1190. https://doi.org/10.1093/ps/81.8.1184 Shivaprasad, H. L., Crespo, R., Puschner, B., Lynch, S., & Wright, L. (2002). Myopathy in brown pelicans (Pelicanus occidentalis) associated with rancid feed. Veterinary Record, 150(10), 307–311. https://doi.org/10.1136/vr.150.10.307 Crespo, R., Walker, R. L., Nordhausen, R., Sawyer, S. J., & Manalac, R. B. (2001). Salpingitis in Pekin Ducks Associated with Concurrent Infection with Tetratrichomonas sp. and Escherichia Coli. Journal of Veterinary Diagnostic Investigation, 13(3), 240–245. https://doi.org/10.1177/104063870101300309 Crespo, R., Stover, S. M., Taylor, K. T., Chin, R. P., & Shivaprasad, H. L. (2000). Morphometric and mechanical properties of femora in young adult male turkeys with and without femoral fractures. Poultry Science, 79(4), 602–608. https://doi.org/10.1093/ps/79.4.602 Crespo, R., Shivaprasad, H. L., Woolcock, P. R., Chin, R. P., Davidson-York, D., & Tarbell, R. (1999). Exotic Newcastle Disease in a Game Chicken Flock. Avian Diseases, 43(2), 349. https://doi.org/10.2307/1592629 Crespo, R., Stover, S. M., Droual, R., Chin, R. P., & Shivaprasad, H. L. (1999). Femoral Fractures in a Young Male Turkey Breeder Flock. Avian Diseases, 43(1), 150–154. https://doi.org/10.2307/1592775 Crespo, R., Yamashiro, S., & Hunter, D. B. (1998). Development of the Thoracic Air Sacs of Turkeys with Age and Rearing Conditions. Avian Diseases, 42(1), 35. https://doi.org/10.2307/1592574 Crespo, R., Taylor, M., & Hunter, D. B. (1998). Endoscopic Gross Anatomy Findings of the Thoracic Air Sac of the Turkey. Avian Diseases, 42(1), 179. https://doi.org/10.2307/1592592 Crespo, R., Stirtzinger, T., & Hunter, D. B. (1998). Evaluation of Different Procedures for Processing Avian Air Sac Lavage Fluid. Avian Diseases, 42(1), 20. https://doi.org/10.2307/1592572 Crespo, R., Shivaprasad, H. L., Droual, R., Chin, R. P., Woolcock, P. R., & Carpenter, T. E. (1998). Inclusion Body Tracheitis Associated with Avian Adenovirus in Turkeys. Avian Diseases, 42(3), 589–596. https://doi.org/10.2307/1592687