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What is Maternal Vaccination for Calf Immunity about?
This study examined the effects of maternal vaccination against rotavirus on passive immunity in calves. Ten heifers were vaccinated twice with inactivated rotavirus, while ten control heifers received a placebo. Vaccination significantly increased serum antibody titers in the dams. Colostrum from vaccinated cows had much higher antibody titers compared to controls. Milk from vaccinated cows continued to contain antibodies for 28 days, while control cow milk lost antibodies after 4 days. Calves from vaccina
- Author
- damien333
- Language
- EN