Results 101 to 110 of about 4,963 (271)
Prevalence of Bovine Leukemia Virus Antibodies in US Dairy Cattle
Objective. To estimate current US herd‐level and animal‐level prevalence of bovine leukemia virus (BLV) in dairy cows and characterize epidemiologic features. Design. Cross‐sectional observational study design and survey. Animals. 4120 dairy cows from 103 commercial dairy herds in 11 states across the US. Procedures.
Rebecca M. LaDronka+6 more
wiley +1 more source
Seroprevalence against bovine leukaemia virus in dairy cattle in Bolivia [PDF]
This study determined seroprevalence against bovine leukaemia virus and investigated the risk factors with the seropositivity of the virus in dairy cattle in Bolivia. Ninety-eight farms in five different provinces in Santa Cruz Department were visited to
Coca, C.+7 more
core +3 more sources
Epidemic modelling of bovine tuberculosis in cattle herds and badgers in Ireland [PDF]
Bovine tuberculosis, a disease that affects cattle and badgers in Ireland, was studied via stochastic epidemic modeling using incidence data from the Four Area Project (Griffin et al., 2005). The Four Area Project was a large scale field trial conducted in four diverse farming regions of Ireland over a five-year period (1997-2002) to evaluate the ...
arxiv
Milk Macrophage Function in Bovine Leukemia Virus-Infected Dairy Cows
The implications of bovine leukemia virus (BLV) on innate and adaptive immune responses have been widely investigated; however, the effects of BLV on mammary gland immunity require further investigation.
Ewerton de Souza Lima+16 more
doaj +1 more source
Abstract The European Commission has requested EFSA to assess animal diseases according to the criteria as laid down in Articles 5, 7, 8 and Annex IV for the purpose of categorisation of diseases in accordance with Article 9 of the Regulation (EU) No 2016/429 (Animal Health Law).
EFSA Panel on Animal Health and Welfare (AHAW)+28 more
wiley +1 more source
Abstract The infection with Brucella abortus, Brucella melitensis and Brucella suis has been assessed according to the criteria of the Animal Health Law (AHL), in particular criteria of Article 7 on disease profile and impacts, Article 5 on the eligibility of the infection with B. abortus, B. melitensis and B.
EFSA Panel on Animal Health and Welfare (AHAW)+27 more
wiley +1 more source
Frecuencia de leucosis enzoótica bovina en hatos bovinos del Eje Cafetero, Colombia [PDF]
La leucosis enzoótica bovina (LEB) es una enfermedad del ganado bovino adulto causada por el retrovirus de la leucemia bovina (BLV). El ganado puede infectarse a cualquier edad, incluida la fase embrionaria. La mayoría de las infecciones son subclínicas,
Martínez Medina, María Alejandra+1 more
core
Identification of BoLA Alleles Associated with BLV Proviral Load in US Beef Cows
Bovine leukemia virus (BLV) causes enzootic bovine leukosis, the most common neoplastic disease in cattle. Previous work estimates that 78% of US beef operations and 38% of US beef cattle are seropositive for BLV.
Ciarra H. LaHuis+7 more
doaj +1 more source
Abstract Livestock productivity and profitability are threatened by livestock diseases. In this study, we examine farmers' revealed preferences for testing and treating gastrointestinal parasites in sheep in Sweden, taking into account the sequential structure of these decisions.
Abenezer Zeleke Aklilu+4 more
wiley +1 more source
Prevalence of enzootic bovine leukosis in the Republic of Bulgaria in 1997-2004 [PDF]
The serological investigations using the agar gel immunodiffusion (AGID) test performed in the Republic of Bulgaria in the period 1997-2004 showed a high prevalence of enzootic bovine leukosis (EBL), from 8.47% in 1997 to 22.26% in 2004.
Darinka Ilieva+4 more
core +1 more source