The Japanese Journal of Veterinary Science
Online ISSN : 1881-1442
Print ISSN : 0021-5295
A Survey for Maternal Antibodies to Bovine Leukemia Virus (BLV) in Calves Born to Cows Infected with BLV
Kan-ichi OHSHIMANaoko MORIMOTOYuichi KAGAWAShigeru NUMAKUNAITeruo HIRANOHiroshi KAYANO
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Keywords: BLV, maternal antibody
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1984 Volume 46 Issue 4 Pages 583-586

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Abstract

Seventy calves born to the cows infected with bovine leukemia virus (BLV) were examined periodically for the maternal antibodies to BLV. Antibodies to BLV were negative in all of 22 except one calves examined at precolostrum stage, but they converted into positive 24hrs postcolostrum. Most of the 70 calves being positive in the antibodies to BLV at the postcolostrum stage converted into negative within 2 to 6 months of age, and only in five (7.1%) remained positive after 6 months of age.

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© The Japanese Society of Veterinary Science
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