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Commercial Services Program Topics Testing Options Online Information Test Results |
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 Leukosis , or BLV has been the demise of numerous A.I. sires because of international trade restrictions. While the US has largely ignored the spread of leukosis in its cattle population resulting in herd prevalence rates of 60% or higher, several countries have chosen to eradicate the disease. It is for this reason leukosis testing requirements and restrictions on the entry of genetics from test positive animals is common in many areas of the world. |
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Raising leukosis-free breeding stock in the presence of such tremendous infection pressure is a daunting task. Milk testing can not only estimate your level of prevalence or risk of transmission, but can accurately differentiate positive and negative animals for breeding and management <find out more>. Test results can also be used to prioritize management efforts implemented to curb the spread of leukosis. |
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Although high prevalence rates and numerous routes of transmission might seem difficult to overcome, observations surprisingly suggest that most young stock remain free of leukosis infection prior to being commingled in the milking string <find out more>. Milk testing is an extremely effective way to categorize animals into high and low transmission risk groups. Development of management strategies to minimize contamination potential between the groups will help reduce new infections while overall herd prevalence is gradually decreased. Ultimate decline of leukosis test positive animals will have a net positive impact on herd economics <find out more>. |
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