🎤 Oral
Animal Health
2022
AH-10
Prevalence Of And Risk Factors Associated With Failure Of Transfer Of Passive Immunity (Fpt) In Beef Calves In Great Britain
Rachel Bragg et al.
United Kingdom.
Objectives: Failure of transfer of passive immunity (FPT) of colostral antibodies is well documented in dairy calves, with prevalence estimates varying from 19.2% to 33.1% worldwide. However knowledge of the ra
🎤 Oral
Animal Health
2022
AH-11
The Maternal Influence On Microbiota Maturation In Neonatal Calves In Beef And Dairy Systems
Matthew Barden et al.
University of Liverpool, Liverpool, United Kingdom
Objectives: The gastrointestinal microbiota of neonatal calves changes rapidly in the first weeks of life. The dam is considered an important source of microbes for the calf [1–3]; consequently, the development
🎤 Oral
Animal Health
2022
AH-12
Factors Affecting The Price Of Young Calves Sold To Québec Auction Markets To Be Raised As Veal Calves (2008-2019)
Buczinski Sébastien et al.
Robichaud Marianne1. Université de Montréal, Saint-Hyacinthe, Canada
Objective: The objective of this study was to determine the risk factors of not being sold or being sold at a very low price in 1 457 257 calves sold in Québec auction markets during the study period (from Janu
🎤 Oral
Animal Health
2022
AH-13
Administration Of Intranasal Bacterial Therapeutics Or Subcutaneous Tulathromycin Induces Long-Term Modulation Of The Nasopharyngeal Microbiota In Beef Cattle
Trevor Alexander et al.
Animal Health, Libourne, France.
Objectives: The emergence of antibiotic-resistant patho- gens associated with bovine respiratory disease (BRD) pres- ents a significant challenge to the beef industry, as antibiotic administration is commonly u
🎤 Oral
Animal Health
2022
AH-14
Prepartum Magnesium Butyrate Supplementation Improves The Health And Performance Of Dairy Cows
Levente Kovács et al.
Hungarian University of Agriculture and Life Sciences, Kaposvár, Hungary
Objectives: In the dry period, the size of the rumen papil- lae decrease by more than 50%. After provision of a high ener- gy lactation ration, it takes 50-60 days for the rumen papillae to fully redevelop. As
🎤 Oral
Animal Health
2022
AH-16
Identification Of Potential Predictive Biomarkers And Molecular Mechanisms Contributing To Brd-Associated Mortality In Post-Weaned Beef Cattle
Matthew Scott et al.
Perkins3, Bindu Nanduri4, David R. Smith1, Brandi Karisch5, William Epperson1, John R. Blanton Jr.5. Department of Pathobiology and Population Medicine, Mississippi State University, United States
Objectives: Bovine respiratory disease (BRD) is a multi- factorial disease complex possibly exacerbated by inflamma- tory responses to pathogenic agents. Diagnosis is commonly based on non-specific clinical sig
🎤 Oral
Animal Health
2022
AH-17
Effect Of Live Yeast Supplementation On Growth And Health Of Pre-Weaned Dairy Calves
Nektarios Siachos et al.
Chevaux2, Guillermo Jimenez2, Georgios E. Valergakis1, Georgios Arsenos1. Laboratory of Animal Husbandry, Veterinary Faculty, Aristotle University of Thessaloniki, Thessaloniki, Greece
Objective: High growth rates of calves during pre-wean- ing period are associated with better performance later in life. However, this period is also characterized by high morbidity and mortality. Hence, the ob
🎤 Oral
Animal Health
2022
AH-18
Impacts Of Bronchopneumonia In Dairy Calves: Results From A Systematic Review And Meta-Analysis
Buczinski Sébastien et al.
France.
Objective: Bronchopneumonia (BP), also known as en- zootic calf pneumonia, is one of the most common disease in dairy calves. Surprisingly, impacts of BP on health and per- formance of dairy calves have not bee
🎤 Oral
Animal Health
2022
AH-19
Feeding Pre-Weaned Calves With Waste Milk Containing Antibiotic Residues Is Related To A Higher Incidence Of Diarrhea And Alterations In The Fecal Microbiota
Martina Penati et al.
Valerio Bronzo1, Bianca Castiglioni1, Paola Cremonesi1, Paolo Moroni2, Davide Pravettoni1, Maria Filippa Addis1. University of Milan, Lodi, Italy
Objectives: Waste milk (WM) is a major by-product of the dairy industry that includes low-quality colostrum, transition- al milk, milk from cows administered veterinary drugs for the treatment of mastitis and/o
🎤 Oral
Animal Health
2022
AH-20
Bovine Besnoitiosis Control Plan: A Two-Year Experience In An Extensive Herd From The Dehesa Agroecosystem
Gema Alvarez Garcia et al.
Domínguez2, Elena Mejías-López1, Carlos Diezma-Díaz3, Luis Miguel Ortega-Mora1, Ignacio Ferre1. Complutense University of Madrid, Madrid, Spain
Bovine besnoitiosis, caused by the parasite Besnoitia bes- noiti, is characterized by local and systemic clinical signs. Cur- rently, male reproductive failure is the major concern as breed- ing bulls may devel
🎤 Oral
Animal Health
2022
AH-21
Salmonella Enterica Isolated From Dairy Cattle In Uruguay Presents A Diversity Of Antibiotic Resistance Genes And Mobile Genetic Elements
María Laura Casaux et al.
Plataforma de Investigación en Salud Animal. Instituto Nacional de Investigación Agropecuaria, Colonia, Uruguay
Objectives: The objective of this work is to study the pres- ence and distribution of antibiotic resistance genes, plasmids and integrons in Salmonella enterica of bovine origin from Uru- guay. Materials and me
🎤 Oral
Animal Health
2022
AH-23
Assessing The Utility Of Leukocyte Differential Cell Counts For Predicting Morbidity, Mortality And Growth In A Grain Fed Veal Facility: A Prospective Single Cohort Study
Taika E. Von Konigslow et al.
University of Guelph, Guelph, Canada.
Objectives: Automated leukocyte differential cell counts (DCC) that can be acquired and analyzed quickly on farm may be useful to incorporate into calf risk identification protocols at the time of arrival at a
🎤 Oral
Animal Health
2022
AH-24
Effect Of Over-Conditioning On The Hepatic Global Gene Expression Pattern Of Dairy Cows At The End Of Pregnancy
Osvaldo Bogado Pascottini et al.
Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, 9820 Merelbeke, Belgium., Merelbeke, Belgium
Objectives: Lipolysis in the prepartum has been linked with liver dysfunction and systemic inflammation, which in turn are associated with an increased incidence of postpartum clin- ical disease. We hypothesize
🎤 Oral
Animal Health
2022
AH-25
Risk Factors Associated With Total And Pathogen-Specific Immunoglobulin G Concentrations In Western Canadian Neonatal Beef Calves
Lisa Gamsjaeger et al.
Claire Windeyer3. University of Zurich, Vetsuisse Faculty of Veterinary Medicine, Department of Ruminant Medicine, Zurich, Switzerland
Bovine Respiratory Syncytial Virus (BRSV), and Bovine Her- pesvirus-1 (BHV-1). Data collected about individual dam- and calf-level risk factors included dam parity, dam vaccination status, calving ease, birth m
🎤 Oral
Animal Health
2022
AH-26
F Impact Of Total And Pathogen-Specific Serum Immunoglobulin G Concentrations On The Health And Growth Of Western Canadian Beef Calves
Lisa Gamsjäger et al.
University of Zurich, Vetsuisse Faculty of Veterinary Medicine, Department of Ruminant Medicine, Switzerland
Bovine Respiratory Syncytial Virus (BRSV), and Bovine Her- pesvirus-1 (BHV-1). Data regarding pre-weaning treatments, mortality, and birth and weaning weights were collected. Multivariable multilevel logistic a
🎤 Oral
Animal Health
2022
AH-27
Evaluating The Efficacy Of Colostrum As A Therapy For Diarrhea In Young Calves
Havelah Carter et al.
David Renaud1. University of Guelph, Guelph, Canada
Objectives: Diarrhea is the primary cause of morbidity and mortality in dairy calves. Many cases of diarrhea in calves are treated with antimicrobials, increasing the risk of antimicrobial resistance, therefore
🎤 Oral
Animal Health
2022
AH-28
Association Between Acute Phase Proteins And Clinical Signs Of Respiratory Disease In Dairy Calves
Rohish Kaura et al.
Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Estonia, Tartu, Estonia.
Objectives: Bovine respiratory disease (BRD) is a lead- ing cause of morbidity, mortality, and antimicrobial consump- tion of pre-weaned dairy calves. Assessment of clinical BRD symptoms in field conditions imp
🎤 Oral
Animal Health
2022
AH-29
Comparison Of Total Protein, Antibody Elisa And Electrophoresis As Tests For Failed Transfer Of Passive Immunity In Calves In A Bayesian Latent Class Analysis
Laurens Chantillon et al.
Department of Internal Medicine, Reproduction and Population Medicine, Faculty of Veterinary Medicine, Ghent University, Ghent, Belgium
Objective: Failure of passive transfer (FPT), the insuf- ficient transfer of passive maternal immunity to calves, is a leading risk factor for many calfhood diseases, mortality and growth retardation. The preva
🎤 Oral
Animal Health
2022
AH-31
Effect Of Serum Total Protein Concentration On Early Life Health And Growth Of Dairy Calves
Victor Cortese et al.
Voortman4. Zoetis, Simpsonville, United States
Objective: To assess the effect of serum total protein (STP) concentration on the early life health and growth of dairy calves. Materials and Methods A total of 39,619 neonatal Hol- stein, Jersey, and crossbred
🎤 Oral
Animal Health
2022
AH-32
Eradication Of Paratuberculosis From A Dairy Farm - Following The Administration Of Mycobacterium Vacccae
Daniel Elad et al.
Kimron Veterinary Institute, Bet Dagan, Israel
Background: Paratuberculosis is a chronic enteric infec- tion, primarily of ruminants, that causes significant economic losses, caused by Mycobacterium avium subsp. paratubercu- losis (MAP). Young animals are a
🎤 Oral
Animal Health
2022
AH-33
The Effect Of Colostrum Supplementation During The First 5 Days Of Life On Calf Morbidity, Enteric Pathogens, Weight Gain And Immunological Response
Anna Catharina Berge et al.
Vertenten2. Berge Veterinary Consulting, Vollezele, Belgium
Objectives: The objective of this study is to investigate the preweaning health, performance, immunity, and enteric pathogen shedding in calves supplemented with colostrum from dams vaccinated against rotavirus
🎤 Oral
Animal Health
2022
AH-34
Prevalence Of Tail Injuries In German Dairy Cows
Prisca V. Kremer-Rücker et al.
Hochschule Weihenstephan-Triesdorf University of Applied Sciences, Triesdorf, Germany.
Objectives: Tail injuries especially often occur in fattening bulls. Their prevalence increases, when beef cattle are housed on slatted floors. The origin of tail tip inflammation and necro- sis is often report
🎤 Oral
Animal Health
2022
AH-35
Nutritional Supplementation Of A Multi-Strains Yeast Fraction Improves Health And Increases Beneficial Gut Microbiota Of Pre-Weaned Dairy Calves
Clothilde Villot et al.
Poland
Objectives: High morbidity and mortality rates of calves during pre-weaning period will dramatically impact the sustain- ability of the farm. The reduction of the prophylactic treatments in calves production ha
🎤 Oral
Animal Health
2022
AH-37
Relationship Between Calf Housing Design And Bovine Respiratory Disease Prevalence In Pre-Weaned Irish Dairy Calves
John Denis Donlon et al.
University College Dublin, School of Veterinary Medicine, Universi College Dublin, Belfield, Co. Dublin, Republic of Ireland
Objectives: Bovine respiratory disease (BRD) is a signif- icant welfare and economic problem in housed dairy calves internationally. While the type of housing, the environment within and the management of that