Induction of anoestrus in free-ranging African elephant (Loxodonta africana) cows using a gonadotrophin-releasing hormone vaccine
The GnRH vaccine may offer an alternative to the current immunocontraceptive method in elephant cows which uses native porcine zona pellucida proteins derived from abattoir slaughtered pigs as the immunogen, greatly limiting its availability. The pZP vaccine is stored at -20 °C and must be mixed wit...