FIELD: veterinary medicine.
SUBSTANCE: method involves introducing ColiVac-K99 vaccine to cows with calf 1.5 months before calving with 15 days long pauses. The first dose is equal to 10 cm3 and the second one to 15 cm3. Selecor is twice concurrently introduced at a dose of 10 mcg/kg of bodyweight.
EFFECT: enhanced effectiveness of prophylaxis.
5 tbl
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Authors
Dates
2006-05-27—Published
2005-03-25—Filed