The provincial directorate of Animal Husbandry has advised livestock owners and farmers to get their animals vaccinated against black quarter, foot-and-mouth, enterotoxemia and sheep pox diseases that usually surface during April and June. Talking about the risks of the diseases, Dr Hafeez Shaikh, in-charge of the Government Veterinary Hospital, Landhi, told Dawn that all the four diseases were quite common and posed serious threats to the animals' health, at times resulting in a low milk production.