FIELD: agriculture.
SUBSTANCE: invention relates to the field of veterinary medicine and is intended for prevention of colibacillosis in calves. The immunization of down-calving cows is performed 1.5-2 months before the delivery with the vaccine against colibacillosis of animals Coli-Vack K88, K99, 987P, F41, TL- and TC-anatoxins twice with an interval of 15 days, the first dose is 10 cm3, the second is 15 cm3. The visceral novocaine blockade on L.G. Smirnov is performed to calves received from these cows within 1-2 hours after birth and on the 7th day of life.
EFFECT: method increases the level of specific and non-specific humoral and cellular immunity of calves; reduces the incidence of colibacillosis.
3 tbl, 1 ex
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Authors
Dates
2017-03-02—Published
2016-02-03—Filed