🎤 Oral
Immunology and Vaccinology
2022
IV-32
Q Fever: Vaccinate As Much As Needed And As Little As Possible
Jens Böttcher et al.
Dautzenberg1, Elisabeth Deckinger1, Michaela Alex1, Vanessa Turowski1, Britta Janowetz1. Bavarian Animal Health Service, Poing, Germany
Objective: Coxiella (C.) burnetii is a zoonotic pathogen. Endemic infection in dairy cow farms is frequently observed. A vaccine (CoxevacTM, Ceva Santé Animal) is available to control infection in cattle. In th
🎤 Oral
Immunology and Vaccinology
2022
IV-33
Duration Of Immunity After A Natural Infection With Bovine Respiratory Syncytial Virus
Sara Hägglund et al.
Sabine Riffault4, Geraldine Taylor5, María Jose Rodriguez6, Marga Garcia Duran6, Jean François Valarcher1. Swedish University of Agricultural Sciences, Dept. of Clinical Sciences, Unit of Ruminant Medicine, Host Pathogen Interaction Group, Uppsala, S
Objectives: Bovine respiratory syncytial virus (BRSV) infections commonly occur as epizootic outbreaks in nearby cattle herds. In parallel with improved biosecurity, the main- tenance of herd immunity could con
🎤 Oral
Immunology and Vaccinology
2022
IV-34
Virus Detection By Pcr Following Vaccination Of Naive Calves With Intranasal Or Injectable Multivalent Modified- Live Viral Vaccines
Victor Cortese et al.
2 2 Riddell2, Daniel W. Scruggs3. Zoetis, Simpsonville, United States
Objective: To evaluate the duration and cycle times of PCR-positive results following administration of modified-live viral (MLV) vaccines to sero-negative beef calves. Materials and Methods: Twenty beef calves
🎤 Oral
Immunology and Vaccinology
2022
IV-35
Efficacy Of A Vaccine To Control Coxiellosis In Goats 1 Year After Primo-Vaccination: Assessment Of The Duration Of Immunity
Philippe Gisbert et al.
Orszagh2. Ceva Santé Animale, Libourne, France
Objectives: In small ruminants, Coxiellosis also named Q fever is responsible for abortion, stillbirth and weak born. In addition, Q fever is a zoonosis which can cause flu-like syn- dromes in humans but also a
🎤 Oral
Immunology and Vaccinology
2022
IV-36
A Field Study Evaluating Humoral Immune Response In Calves Vaccinated With Two Multivalent Respiratory Vaccines
Anna Catharina Berge et al.
Vertenten4. Berge Veterinary Consulting BV, Vollezele, Belgium
Objectives: Calf vaccination may be adversely affected by maternal antibodies. Two trivalent inactivated Bovine Respira- tory Disease (BRD) vaccines that are commercialized in Eu- rope (Bovilis® Bovipast RSP or
🎤 Oral
Immunology and Vaccinology
2022
IV-37
Concurrent Vaccination For Pneumonia In Pre-Weaned Calves; A Longitudinal Study On The Safety, And Serological Response Elicited By Delivery Of Two Live Intranasal Vaccines
Anna Flynn et al.
Grassland Science Research Department, Animal & Grassland Research and Innovation Centre, Teagasc Moorepark, Cork, Republic of Ireland
Objectives: Bovine respiratory disease complex (BRD) is an economically important disease with a high mortality rate. In Ireland, it remains the leading cause of death in calves be- tween 1 and 12 months of age
🎤 Oral
Immunology and Vaccinology
2022
LA-01
A Prospective Cohort Study Into The Association Between Early-Lactation Mastitis And The Development Of Sole Ulcers In Dairy Cows
Christopher Watson et al.
Department of Livestock Health and Welfare, Institute of Veterinar Science, University of Liverpool, Leahurst Campus, Chester High Road, CH64 7TE, UK, Neston, United Kingdom
Objectives: Sole ulcers (SU) are a major cause of lame- ness in dairy cattle and their incidence is highest in early to mid-lactation (1). SU take 8-12 weeks or more to develop, and it has been suggested many o
🎤 Oral
Lameness
2022
LA-02
Metagenomic Analyses Of The Bovine Foot Skin Microbiome; Associations With Development Of Bovine Digital Dermatitis.
Veysel Bay et al.
Carter2, Luca Lenzi2, Anita Lucaci2, Sam Haldenby2, Matthew Barden2, Bethany Griffiths2, Enrique Sanchez-Molano4, Rodrigo Bicalho5, Georgios Banos6, Alistair Darby2, Georgios Oikonomou2. Aegean Agricultural Research Institute, Izmir, Turkey
Objectives: Previous studies have described the micro- biome of the different lesion stages of Bovine Digital Derma- titis (BDD). The present study was designed to examine the healthy bovine foot-skin microbiom
🎤 Oral
Lameness
2022
LA-03
Initial Validation Of An Intelligent Video Surveillance System For Automatic Detection Of Dairy Cattle Lameness
Alkiviadis Anagnostopoulos et al.
University of Liverpool, Leahurst Campus, Neston, United Kingdom.
Objectives: Lameness is a major welfare challenge fac- ing the dairy industry worldwide. Monitoring of herd lameness prevalence, early detection and treatment of foot lesions are important aspects of lameness c
🎤 Oral
Lameness
2022
LA-04
Sole Soft Tissue Thickness Changes Over The Periparturient Period And Its Association With Sole Ulcers In Dairy Cattle
Bethany Griffiths et al.
University of Liverpool, Liverpool, United Kingdom
Objectives: Sole ulcers are a leading cause of lameness in dairy cattle. Despite their importance, we are still yet to full elucidate their aetiopathogenesis. The sole soft tissues, which includes the digital c
🎤 Oral
Lameness
2022
LA-05
Use Of Intra-Articular Administration Of Isopropyl Alcohol For Facilitated Ankylosis Of The Distal Interphalangeal Joint In Cattle With Septic Arthritis
Katharine Simpson et al.
Veterinary Clinic, Arapahoe, Oklahoma, United States.
Objectives: To determine whether intra-articular (IA) in- jection of 70% isopropyl alcohol and hoof block application to the adjacent healthy claw will result in clinical ankylosis of the distal interphalangeal
🎤 Oral
Lameness
2022
LA-06
Impact Of Hoof Lesions And Moment Of Occurrence In Milk Production In Dairy Cattle
Almudena Molinero Arguello et al.
UNIFORM-Agri BV, Pamplona, Spain
Objectives: Lameness is one of the main reasons for ear- ly culling in dairy cattle. Most lameness cases are caused by lesions in the hooves with dramatic consequences in cow’s life. Thus, we aimed to describe
🎤 Oral
Lameness
2022
LA-07
A Disinfection Field Trial To Remove Bovine Digital Dermatitis Treponemes From Hoof Knives After Foot- Trimming
Amy Gillespie et al.
University of Liverpool, Institute of Infection and Global Health, Kingdom
Objectives: Although lameness caused by bovine dig- ital dermatitis (BDD) is widespread and much researched, the mode of transmission has not been clarified. Hoof knives become contaminated with BDD treponemes
🎤 Oral
Lameness
2022
LA-08
Comparing The Effect Of Timing Of Routine Early Lactation Foot Inspection And Trimming (If Required) On Fertility Performance In High Yielding Dairy Cows
Jonathan Duncan et al.
A randomised, positive-controlled trial to compare the ef- fect of timing of routine early lactation foot inspection and trim- ming (if required) on fertility performance in high yielding dairy cows.
Objectives: Routine, early lactation foot inspection and trimming (if necessary) is a common preventative strategy used to reduce lameness and improve productivity. The per- ceived benefits are well accepted ac
🎤 Oral
Lameness
2022
LA-09
Evaluation Of The Use Of Ketoprofen For The Treatment Of Digital Dermatitis In Dairy Cattle: A Randomised, Positive Controlled, Clinical Trial
Konstantina Kasiora et al.
University of Liverpool, Liverpool, United Kingdom
Objectives: Digital dermatitis (DD) is one of the main dis- eases causing lameness in dairy cattle and it is described as an infectious dermatitis of the digital skin that can be painful to touch (Krull et al.
🎤 Oral
Lameness
2022
LA-10
Investigating The Use Of Thermal Imaging As A Diagnostic Tool For The Detection Of Different Stages Of Digital Dermatitis In Dairy Cattle
Alkiviadis Anagnostopoulos et al.
University of Liverpool, Leahurst Campus, Neston, United Kingdom
Objectives: Bovine Digital Dermatitis (BDD) is one of the major causes of lameness in dairy cattle with increasing eco- nomic and welfare importance1. The use of Infrared Thermog- raphy (IRT) imaging could prov
🎤 Oral
Lameness
2022
LA-11
Time-Series Observations Of Cattle Mobility: Accurate Label Assignment From Multiple Assessors, And Association With Lesions Detected In The Feet.
Konstantina Linardopoulou et al.
Nicholas Jonsson1. University of Glasgow, Glasgow, United Kingdom
Objectives: To provide accurate diagnostic labels to ma- chine learning algorithms for automated mobility analysis in cattle, we compared repeated subjective lameness scores from multiple assessors with the pre
🎤 Oral
Lameness
2022
LA-12
Can A Three-Point Locomotion Scoring System Reflect The Actual Claw Health?
Sarah Hertle et al.
Haidn1. Bavarian State Research Centre for Agriculture, Poing, Germany
Objectives: The detection of lame cows is the first task when it comes to dealing with lameness on dairy farms. Early identification of lameness and thus of claw problems enables immediate treatment and therefo
🎤 Oral
Lameness
2022
LA-13
Effectiveness Of Tildipirosin Injectable Solution For The Treatment Of Naturally-Occurring Acute, Bovine Interdigital Necrobacillosis (Foot Rot) Caused By Fusobacterium Necrophorum
Andre Pacheco De Carvalho et al.
Barufi1, Heitor Amaral1, Luis Vettorato1, Mauricio Morais1, Rafael Chiummo3, Siddartha Torres4, Rodolfo Mingoti1. MSD Animal Health, São Paulo, Brazil
Objectives: Foot rot disorders in cattle are necrotic dis- eases that affect the connective tissue of the interdigital region and are caused by bacteria, mainly Fusobacterium necropho- rum. The aim of the study
🎤 Oral
Lameness
2022
LA-14
Associations Of Host Genotype With Foot Skin Microbiota Profiles And Digital Dermatitis Related Bacteria
Veysel Bay et al.
Ege University, Faculty of Agriculture, Department of Animal Scien Turkey
Objectives: Associations between host genetics and skin microbiota profiles have been shown in humans1 and mice2. We have recently described the bovine foot skin microbiota us- ing 16S rRNA amplicon and shotgun
🎤 Oral
Lameness
2022
LA-15
Association Of Subclinical Ketosis With Lameness, Locomotion Score And Hoof Lesions In Post-Partum Dairy Cows
Alexandros Kougioumtzis et al.
Valergakis1. Faculty of Veterinary Medicine, School of Health Sciences, Aristot University of Thessaloniki, Greece, Thessaloniki, Greece
Objective: Lameness is a debilitating condition that neg- atively affects animal welfare and productivity. Subclinical ketosis (SCK) is associated with most metabolic diseases in post-partum dairy cows but its
🎤 Oral
Lameness
2022
LA-16
Genetic Selection Can Reduce The Incidence Of Claw Horn Lesions In Dairy Cattle
Matthew Barden et al.
Griffiths1, Cherry Bedford1, Marco Winters2, Bingjie Li3, Mike Coffey3, Androniki Psifidi4, Georgios Banos3, Georgios Oikonomou1. University of Liverpool, Neston, United Kingdom
Objectives: Sole haemorrhage (SH), sole ulcers (SU), and white line lesions (WL) are often grouped under the col- lective term “claw horn lesions” (CHL) (Offer et al. 2000). Claw horn lesions have a high preval
🎤 Oral
Lameness
2022
LA-17
Hormonal Profiles And Serum Biomarkers For Fat Mobilisation And Their Association With Sole Ulcers In Dairy Cows
Bethany Griffiths et al.
Cherrill Bedford1, Mollie Rudd1, John Graham- Brown1, Stuart Carter1, Androniki Psifidi2, Georgios Banos3, Georgios Oikonomou1. University of Liverpool, Liverpool, United Kingdom
Objective: Sole ulcers (SU) are painful, non-infectious lameness causing lesions. Relaxin and insulin have been speculated as playing an important role in their development, through the relaxation of the suspen
🎤 Oral
Lameness
2022
LA-18
Complexity Of The Relationship Between Behaviour, Performance, And Claw Health In Dairy Cows
Isabella Lorenzini et al.
Bavarian State Research Center for Agriculture, Grub, Germany
Objectives: Lameness in dairy cows is a sign of pain and an important welfare issue. Cows tend to hide signs of pain, making visual lameness detection difficult for farmers and vets. Furthermore, research shows