What is the correct way to prevent and control Enterotoxemia in goats?


a) Vaccination of the mother females between two and three months before delivery, and vaccination of the offspring older than two months.
b) Vaccination of all animals over three months old at least once a year.
c) Vaccination of all animals over three months old twice a year in enzootic areas.
d) Vaccination of all animals over three months old and quarantine in an isolated place from the rest of the herd.