Works (50)
2025 journal article
Evaluation of the Glutaraldehyde Test as a Prognostic Indicator for Short‐ and Long‐Term Mortality in Hospitalized Adult Cattle With and Without Sepsis
Journal of Veterinary Internal Medicine, 39(3).
2025 conference paper
Evaluation of three complete colostrum replacement strategies on passive immunity and early-life performance in beef calves
American Association of Bovine Practitioners conference. Presented at the American Association of Bovine Practitioners conference, Omaha, NE.
Event: American Association of Bovine Practitioners conference at Omaha, NE
2025 conference paper
Factors Affecting Colostrum Quality and Passive Immunity in Beef Calves
South Dakota Veterinary Medical Association’s James Bailey Herd Health Conference. Presented at the South Dakota Veterinary Medical Association’s James Bailey Herd Health Conference.
Event: South Dakota Veterinary Medical Association’s James Bailey Herd Health Conference
2025 conference paper
Fluid Therapy and Interventions for the Scouring Calf
South Dakota Veterinary Medical Association’s James Bailey Herd Health Conference. Presented at the South Dakota Veterinary Medical Association’s James Bailey Herd Health Conference.
Event: South Dakota Veterinary Medical Association’s James Bailey Herd Health Conference
2025 conference paper
Harvesting a Successful Calf Crop From Breeding to Newborn Calf Management
North Carolina Cattle Conference. Presented at the North Carolina Cattle Conference, Hickory, NC.
Event: North Carolina Cattle Conference at Hickory, NC
2025 journal article
Impact of 3 colostrum replacement strategies on immunoglobulin G absorption efficiency, passive immunity, health, and growth in beef calves
Journal of the American Veterinary Medical Association, 263(11), 1–11.
2025 conference paper
Impact of Storage Duration on Erythrocyte Health and Biochemical Analytes in Caprine Blood Products
American College of Veterinary Internal Medicine Forum. Presented at the American College of Veterinary Internal Medicine Forum, Louisville, KY.
Event: American College of Veterinary Internal Medicine Forum at Louisville, KY
2025 conference paper
Impact of oral administration of di-tri-octahedral smectite (Biosponge©) on the duration of diarrhea and associated clinical signs in dairy calves
American Association of Bovine Practitioners conference. Presented at the American Association of Bovine Practitioners conference, Omaha, NE.
Event: American Association of Bovine Practitioners conference at Omaha, NE
2024 journal article
Bovine medicine: Whats´s your diagnosis?
Schweiz Arch Tierheilkd, 166(5), 253–264.
2024 journal article
Colostrum Replacement and Serum IgG Concentrations in Beef Calves Delivered by Elective Cesarean Section
Veterinary Sciences, 11(6), 258.
2024 journal article
Fecal microbiota of diarrheic calves: Before, during, and after recovering from disease
Journal of Veterinary Internal Medicine, 38(6), 3358–3366.
2024 conference paper
Impact of total and pathogen-specific serum immunoglobulin G concentrations on the health and growth of western Canadian beef calves
World Buiatrics Congress. Presented at the World Buiatrics Congress, Madrid, Spain.
Event: World Buiatrics Congress at Madrid, Spain
2024 journal article
Neonatal Calf Diarrhea and Gastrointestinal Microbiota: Etiologic Agents and Microbiota Manipulation for Treatment and Prevention of Diarrhea
Veterinary Sciences, 11(3), 108.
2024 conference paper
Risk factors associated with total and pathogen-specific immunoglobulin G concentrations in western Canadian neonatal beef calves
World Buiatrics Congress. Presented at the World Buiatrics Congress, Madrid, Spain.
Event: World Buiatrics Congress at Madrid, Spain
2024 conference paper
The Fecal Microbiota of Calves Naturally Infected With Cryptosporidium spp
American College of Veterinary Internal Medicine Forum. Presented at the American College of Veterinary Internal Medicine Forum, Minneapolis, MN.
Event: American College of Veterinary Internal Medicine Forum at Minneapolis, MN
2024 conference paper
The effect of post day-1 colostrum supplementation on resolution of clinical signs and the fecal microbiota in calves with diarrhea caused by Cryptosporidium parvum
World Buiatrics Congress. Presented at the World Buiatrics Congress, Cancun, Mexico.
Event: World Buiatrics Congress at Cancun, Mexico
2023 conference paper
Camelid Case Discussions
North Carolina Veterinary Conference. Presented at the North Carolina Veterinary Conference, Raleigh, NC.
Event: North Carolina Veterinary Conference at Raleigh, NC
2023 journal article
Clinical application of a described erector spinae plane block for locoregional anaesthesia technique in a cow undergoing standing laparotomy
Veterinary Record Case Reports, 12(1).
2023 article
Clinical presentation, medical management, and outcomes in 35 hospitalized sheep diagnosed with bluetongue virus disease
Gamsjäger, L., & Chigerwe, M. (2023, December 1). Journal of Veterinary Internal Medicine.
2023 conference paper
Colostrum as a prevention and treatment for neonatal calf diarrhea
North Carolina Veterinary Conference. Presented at the North Carolina Veterinary Conference, Raleigh, NC.
Event: North Carolina Veterinary Conference at Raleigh, NC
2023 conference paper
Dairy and Beef Calf Colostrum Management and Post-Day 1 Use of Colostrum
American College of Veterinary Internal Medicine Forum. Presented at the American College of Veterinary Internal Medicine Forum, Philadelphia, PA.
Event: American College of Veterinary Internal Medicine Forum at Philadelphia, PA
2023 conference paper
Effect of Sample Collection Time on Fecal Microbiota Composition in Diarrheic Calves
American College of Veterinary Internal Medicine Forum. Presented at the American College of Veterinary Internal Medicine Forum, Philadelphia, PA.
Event: American College of Veterinary Internal Medicine Forum at Philadelphia, PA
2023 journal article
Effect of plasma transfusion on serum amyloid A concentration in healthy neonatal foals and foals with failure of transfer of passive immunity
Journal of Veterinary Internal Medicine, 37(2), 697–702.
2023 journal article
Effect of time of sample collection after onset of diarrhea on fecal microbiota composition of calves
Journal of Veterinary Internal Medicine, 37(4), 1588–1593.
2023 conference paper
Field Resuscitation of the Newborn Calf
OABP Fall CE Conference. Presented at the OABP Fall CE Conference, Guelph, Ontario, Canada.
Event: OABP Fall CE Conference at Guelph, Ontario, Canada
2023 conference paper
Fluid Therapy in Calves with Diarrhea
OABP Fall CE Conference. Presented at the OABP Fall CE Conference, Guelph, Ontario, Canada.
Event: OABP Fall CE Conference at Guelph, Ontario, Canada
2023 conference paper
Food Animal Case Discussions
American College of Veterinary Internal Medicine Forum. Presented at the American College of Veterinary Internal Medicine Forum, Philadelphia, PA.
Event: American College of Veterinary Internal Medicine Forum at Philadelphia, PA
2023 journal article
Host innate immune responses and microbiome profile of neonatal calves challenged with Cryptosporidium parvum and the effect of bovine colostrum supplementation
Frontiers in Cellular and Infection Microbiology, 13.
2023 conference paper
Optimizing Passive Immunity in Beef Calves
North Carolina Veterinary Conference. Presented at the North Carolina Veterinary Conference, Raleigh, NC.
Event: North Carolina Veterinary Conference at Raleigh, NC
2023 journal article
The impact of freezing and multiple freeze-thaw cycles on Brix refractometry estimates of immunoglobulin concentration in beef cattle colostrum
Canadian Journal of Veterinary Research, 87(2), 146–152.
2023 journal article
Total and pathogen-specific serum Immunoglobulin G concentrations in neonatal beef calves, Part 1: Risk factors
Preventive Veterinary Medicine, 220, 106026.
2023 journal article
Total and pathogen-specific serum Immunoglobulin G concentrations in neonatal beef calves, Part 2: Associations with health and growth
Preventive Veterinary Medicine, 220, 105993.
2023 conference paper
Vaccination Practices and their Impact on Pre-weaning Calf Health
North Carolina Veterinary Conference. Presented at the North Carolina Veterinary Conference, Raleigh, NC.
Event: North Carolina Veterinary Conference at Raleigh, NC
2022 journal article
Assessment of microRNA profiles in small extracellular vesicles isolated from bovine colostrum with different immunoglobulin G concentrations
JDS Communications, 3(5), 328–333.
2022 journal article
Calf Diarrhea Is Associated With a Shift From Obligated to Facultative Anaerobes and Expansion of Lactate-Producing Bacteria
Frontiers in Veterinary Science, 9.
2022 journal article
Diagnosis, treatment and outcome of metallic foreign body ingestion in two new world camelids
Veterinary Record Case Reports, 11(1).
2022 conference paper
Fecal Microbiota of Diarrheic Calves and Its Association with Acid-base Disorders
American College of Veterinary Internal Medicine Forum. Presented at the American College of Veterinary Internal Medicine Forum, Austin, Texas.
Event: American College of Veterinary Internal Medicine Forum at Austin, Texas
2022 journal article
Serum haptoglobin concentration and liver enzyme activity as indicators of systemic inflammatory response syndrome and survival of sick calves
Journal of Veterinary Internal Medicine, 36(2), 812–819.
2021 journal article
Impact of volume, immunoglobulin G concentration, and feeding method of colostrum product on neonatal nursing behavior and transfer of passive immunity in beef calves
Animal, 15(9), 100345.
2021 conference paper
Impact of volume, immunoglobulin G concentration, and feeding method of colostrum product on neonatal nursing behavior and transfer of passive immunity in beef calves
American Association of Bovine Practitioners conference. Presented at the American Association of Bovine Practitioners conference, Salt Lake City, UT.
Event: American Association of Bovine Practitioners conference at Salt Lake City, UT
2021 thesis
Optimizing passive immunity in beef calves: An evaluation of colostrum management strategies and the impact of total and specific immunoglobulin G on health and growth
(PhD thesis). University of Calgary Faculty of Veterinary Medicine, Calgary, Canada.
2020 journal article
Assessment of Brix refractometry to estimate immunoglobulin G concentration in beef cow colostrum
Journal of Veterinary Internal Medicine, 34(4), 1662–1673.
2020 article
Efficacy of sodium iodide for prevention of respiratory disease in preweaned dairy calves
Gamsjäger, L., Ley, B. L. V., Knych, H. K., McArthur, G. R., & Heller, M. C. (2020, July 23). American Journal of Veterinary Research, Vol. 81, pp. 673–680.
2020 journal article
Evaluation of 3 refractometers to determine transfer of passive immunity in neonatal beef calves
Journal of Veterinary Internal Medicine, 35(1), 632–643.
2020 journal article
Risk factors for, frequency, and type of complications after temporary tube cystostomy in goats, sheep, and pigs
Veterinary Surgery, 50(2), 283–293.
2019 journal article
Vaccinating Calves in the Face of Maternal Antibodies
Veterinary Clinics of North America: Food Animal Practice, 35(3), 557–573.
2018 article
Indications for and outcomes of limb amputation in goats and sheep
Gamsjaeger, L., & Chigerwe, M. (2018, March 19). Journal of the American Veterinary Medical Association, Vol. 252, pp. 860–863.
2016 article
Transpalpebral exenteration in cattle: a retrospective study of 115 cases
Chigerwe, M., Angelos, J. A., Gamsjäeger, L., & Heller, M. C. (2016, November 24). Veterinary Ophthalmology, Vol. 20, pp. 435–440.
2015 article
Healthy n-6/n-3 fatty acid composition from five European game meat species remains after cooking
Valencak, T. G., Gamsjäger, L., Ohrnberger, S., Culbert, N. J., & Ruf, T. (2015, June 26). BMC Research Notes, Vol. 8.
2014 thesis
Fatty acid composition in game meat: influence of rearing and processing on meat quality
(Master thesis). Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Austria.