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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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The milk and milk fat production, standardized to 305-day lactations, was compared for 89 cows naturally infected with bovine leukosis virus (BLV) and 104 uninfected cows. The animals were Holstein and Holstein × Chilean-Friesian, from a herd of the Metropolitana region of Chile, representing...

Villouta C., G.; Contreras L., M.; Agüero E., H.; Pedraza G., C.; Montes O., G.
Avances en Ciencias Veterinarias, 1992, 7, 2, pp 191-196