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Diagnostic Imaging
2022
DI-10
Lessons Learned From 1 Year Of Quick Thoracic Ultrasonography (Qtus) Training For Practitioners To Improve Pneumonia Diagnosis In Calves
Bart Pardon et al.
Laurens Chantillon, Mathilde L. Pas, Wouter Van Mol, Justine Clinquart, Jade Bokma. Department of Internal Medicine, Reproduction and Population Medicine, Ghent University, Merelbeke, Belgium.
Objectives: Thoracic ultrasonography (TUS) has become the key on-farm tool for bovine respiratory disease manage- ment (BRD), in particular to rationalize antimicrobial use. De- spite growing interest to implem
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Epidemiology
2022
EP-01
The Epidemiological And Economic Assessment Of Bovine Viral Diarrhoea Infections Worldwide
Pinior Beate et al.
University of Veteriary Medicine Vienna, Unit of Veterinary Public Health and Epidemiology, Austria
Objectives: The aims of this study were: i. to determine the geographical distribution of bovine vi- ral diarrhoea virus (BVDV) infections and intervention measures worldwide by conducting literature search- es
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Epidemiology
2022
EP-02
Overview Of Control Programmes Of Non-Regulated Cattle Diseases In The European Union
Jaka Jakob Hodnik et al.
Inge Santman-Berends3. Veterinary faculty, University of Ljubljana, Ljubljana, Slovenia
Objectives: As part of a COST (European Cooperation in Science and Technology) Action SOUND control (Standardiz- ing Output-based surveillance to control Non-regulated Dis- eases of cattle in the EU) more than
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Epidemiology
2022
EP-03
Nation-Wide Screening Of Antibodies To Mycoplasma Bovis In Swedish Dairy Herds And Herd Characteristics Associated With The Infection
Emma Hurri et al.
Sweden
Background: Mycoplasma (M.) bovis is considered an emerging pathogen that causes severe disease in cattle in many countries and is poorly responsive to treatment. An in- creasing prevalence of the infection, su
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Epidemiology
2022
EP-04
Calf-Level Risk Factors For Neonatal Diarrhoea In Belgian Blue Beef Calves
Maude Lebrun et al.
Bart Sustronck1. MSD Animal Health, Brussels, Belgium
Objectives: Neonatal calf diarrhoea (NCD) is one of the most important causes of morbidity and mortality in calves. NCD is considered to be a multifactorial disease, caused by a complex interplay of pathogens,
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Epidemiology
2022
EP-05
Salmonella Diagnostic Testing And Serotyping In Southern Australian Dairy Herds
Damian O'Brien et al.
Health, Boxmeer, Netherlands.
Objectives: A Salmonella diagnostic programme was conducted between 2017 and 2019 in Southern Australian Dairy herds. The programme sought to identify Salmonella isolates in bovine faecal samples from suspect S
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Epidemiology
2022
EP-06
Interpretation Of The Results Of Q Fever Elisa Tests In Domestic Ruminants: A User-Friendly Shiny Application Based On Latent Class Models In A Bayesian Framework
Thibaut Lurier et al.
Université de Lyon, INRAE, VetAgro Sup, UMR EPIA, Marcy l'étoile, France
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Epidemiology
2022
FE-01
The Usage Of Antibiotics And Anti-Inflammatories In Calf- Rearing Units In Finland
Heli Simojoki et al.
University of Helsinki, Department of Production Animal Medicine, Saarentaus, Mäntsälä, Finland
Objectives: The usage of antibiotics (AB) in meat produc- tion is of concern in many countries. In Finland, meat produc- tion is mainly based on bull calves originating from dairy farms. Bull calves are transpo
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Epidemiology
2022
FE-02
D. The Metaphylactic Use Of Tildipirosin For The Control Of Bovine Respiratory Disease In Pre-Weaned High-Risk Calves Housed In Individual Hutches
Pedro Rodriguez Fernandez et al.
Sciences, College of Agricultural Sciences and Natural Resources, Texas Tech University, Lubbock, TX, United States
Objectives: Bovine respiratory disease (BRD) is one of the major causes of morbidity and mortality during the pre- weaning period. It delays growth of pre-weaned heifers, which can lead to long term impact on f
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Feedlot
2022
FE-03
Effect Of Implant Treatments To Suckling Beef Steers On Growth Performance For 200 Days And On Lifetime Growth Performance And Carcass Traits
R. M. Cleale et al.
Objectives: The goals of the study were 1) to evaluate the impact of implant treatments administered to suckling beef steers on growth performance over 200 days following treatment, and 2) to determine if suckling calf implant treat- ments impacted g
Materials and Methods: Growth by spring-born, pri- marily Angus beef steer calves (n = 261; initial BW = 63 ± 5.1 kg) implanted with Synovex® One Grass (SOG; 150 mg trenbolone acetate, 21 mg estradiol benzoate)
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Feedlot
2022
FE-04
Risk Factors For Antibiotics Use And Spread Of Mycoplasma Bovis In Veal Calves Feedlots
Marie-Anne Arcangioli et al.
F-01000, Bourg en Bresse, France.
Bovine respiratory disease (BRD) is the most antimicrobi- al-consuming disease in veal calves production. The presence of Mycoplasma (M.) bovis, as one of BRD causative agents, in a feeding lot could contribute
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Feedlot
2022
FE-05
Genotyping And Antimicrobial Resistance Patterns Of
Mannheimia haemolytica et al.
Histophilus somni isolated from the upper and lower respiratory tract of feedlot cattle Edouard Timsit1, Trevor Alexander2. University of Calgary, Calgary, Canada
Background/Objectives: During the last 10 years, the prevalence of Pasteurellaceae resistant against drugs typi- cally used for bovine respiratory disease (BRD) control has increased in feedlot cattle. Surprisi
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Feedlot
2022
FE-06
Comparison Of Body Temperature Measurement Using The Guardian® Device In Feedlots And Its Possible Applications In The Early Diagnosis Of Bovine Respiratory Disease
Iñaki Espinosa et al.
Tórax SL, Madrid, Spain
Objective: The objective of the present study was to test the new GUARDIAN® radiofrequency body temperature mea- suring device for beef calves, to compare the temperature detected depending on whether the devic
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Feedlot
2022
FE-07
Highthroughput Antibody And Cellular Immune Response Profiling Against Respiratory Pathogens In Calves Following A Preconditioning Protocol
Nathan Cebron et al.
France.
Objectives: Pre-conditionning of calves before entry in fattening units has been promoted as a good approach to re- duce antibiotics treatment against bovine respiratory diseases (BRD). Enhancing immunity to re
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Feedlot
2022
FE-08
Activity, Rumination, And Performance Of Brd Treated Calves Compared To Their Own Baseline Activity And Healthy Cohorts
Jason S. Nickel et al.
Ontario, Canada.
Objectives: The objective of this study was to determine rumination, activity, and performance of cattle treated for BRD with Florfenicol-Flunixin Meglumine combination when com- pared to their own baseline and
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Feedlot
2022
FE-09
Reduction In Brd Antimicrobial Treatments In A Us Feedlot- Based Multi-Site Study Using Conventional Brd Control Approach Vs. Targeted Prediction Technology
Jason S. Nickel et al.
Kansas, United States
Objective: The study objective was to determine if cattle health and performance comparing a targeted bovine respira- tory disease (BRD) prediction technology (BRD_PT; Whisper® On-Arrival) was superior to a neg
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Feedlot
2022
FE-10
Environmental Sampling For Characterization Mannheimia Haemolytica Shedding By Feedlot Cattle
William B. Crosby et al.
Missippi State University, College of Veterinary Medicine, Departm of Pathobiology and Population Medicine, United States
Objective: Control and prevention of Bovine Respiratory Disease (BRD) is a major reason for treatment of cattle with antimicrobial drugs. However, the prevalence of antimicrobi- al resistance (AMR) is increasin
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Feedlot
2022
GB-01
Estimated Breeding Values Of Dairy Sires Regarding Colostrum Traits
Aikaterini Soufleri et al.
Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, School of Health Sciences, Aristotle University of Thessaloniki, 54 Thessaloniki, Greece, Thessaloniki, Greece
Objectives: Colostrum administration provides newborn calves with important nutrients (fat, protein, lactose) and im- munity (IgG). Significant heritability estimates have been re- ported on colostrum traits ra
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Genetics and Breeding
2022
GB-02
The Genetic Architecture Of Susceptibility To Claw Horn Disruption Lesions In Holstein Cows
Matthew Barden et al.
Georgios Oikonomou1. University of Liverpool, Liverpool, United Kingdom
Objectives: Lameness is the most serious welfare prob- lem facing the modern dairy industry. The lesions associated with the greatest impact on animal welfare, and those which incur the greatest financial costs
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Genetics and Breeding
2022
GB-03
Aging Increases Inflammatory Response In Dairy Cattle
Gilles Foucras et al.
Boyer Des Roches4, Dorothée Ledoux4, Valérie Gelin3, Christophe Richard3, Hélène Kiefer3, Hélène Jammes3. ENVT, Toulouse, France
Objectives: Old cows are reputed more sensitive to bacte- rial infections, developping more severe mastitis than youngest ones. However the biological basis of these observations are not known. Risk factors inc
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Genetics and Breeding
2022
GB-04
Impact Of Host Genetics On Resistance Of Bovine Monocyte- Derived Macrophages To Mycobacterium Avium Subsp. Paratuberculosis Infection
Maria Canive et al.
NEIKER, Derio, Spain. The application of animal genetics in breeding programs is currently one of the important motors for efficient livestock production, not only to increase performance and productivity but also to ensure the resilience and health
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Genetics and Breeding
2022
GB-05
Inherited Zinc Deficiency-Like Syndrome In Holstein Cattle Due To A Loss-Of-Function Mutation Of Il17Ra- Transmembrane Protein
Sickinger Marlene et al.
Lühken Gesine1. Justus-Liebig-University Giessen, Giessen, Germany
Objectives: Skin lesions and dermatoses in cattle are of- ten associated with infections due to bacteria, fungi or envi- ronmental risk factors. Dermatoses with genetic etiology have also been described. Among
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Genetics and Breeding
2022
GB-06
Temperature-Humidity Effect On Rumination Time And Activity In Holstein And Crossbred Holstein X Jersey Cows
Roberto Kappes et al.
Universidade do Estado de Santa Catarina, Lages, Brazil. Table 1 – Mean values adjusted to the model ± standard deviation fo for rumination time and activity unit. Activity THI classes H F1 R1 Safe 5
Objective: We aimed to compare temperature-humid- ity effect on rumination time and activity in different genetic groups of cows: Holstein, F1 Holstein x Jersey and R1 3/4Hol- stein x Jersey. Material and metho
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Genetics and Breeding
2022
GB-07
Conformation Traits And Characteristics Of Somatic Cells Counting In Holstein Cattle In Brazil - A Multivariate Approach
Angelica Scheid et al.
Universidade do Estado de Santa Catarina, Lages, Brazil.
Objectives: Identify the linear type traits which together affect the somatic cell count in Holstein cattle in Brazil. Material and methods: We used recorded data from ap- proximately 45,000 animals of the Hols