Invited review: Bovine leukemia virus—Transmission, control, and eradication

نویسندگان

چکیده

Bovine leukemia virus (BLV) infection, endemic in North American dairy herds, has production-limiting effects. A literature review of available papers published since 1995 concerning BLV transmission and its control was conducted. Although confirmed routes were reviewed (blood, natural breeding, utero, colostrum, milk), there is still a lack detailed information on other specific risks for (e.g., contact hoof-trimming knives). Eradication been achieved by combined management, segregation, culling approaches. In contrast, although sole implementation best management practices aimed at prevention decreased within-herd prevalence, it not eradicated from herd. Therefore, eradication only should be further investigated. Additionally, the role proviral load infected cattle Cattle with high seem to more likely infect others, whereas those very low have transmitting BLV. Information could taken into account when controlling high-prevalence herds. conclusion, need detailed, large-scale studies investigating roles routes, knowing individuals.

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ژورنال

عنوان ژورنال: Journal of Dairy Science

سال: 2021

ISSN: ['0022-0302', '1525-3198', '1529-9066']

DOI: https://doi.org/10.3168/jds.2020-18925