For the active immunisation of pregnant cows and heifers to raise antibodies against E. coli adhesin F5 (K99) antigen, rotavirus and coronavirus. While calves are fed colostrum from vaccinated cows during the first two to four weeks of life, these antibodies have been demonstrated to:
-reduce the severity of diarrhoea caused by E. coli F5 (K99);
-reduce the incidence of scours caused by rotavirus;
-reduce the shedding of virus by calves infected with rotavirus or coronavirus.Onset of Immunity: Passive protection against all active substances will commence from the start of colostrum feeding.
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