Slaughter of cows, calves of cows, bulls, bullocks and buffalo calves is prohibited. Cows communicate with their calves through braying. Cows produce croaking calls when looking for their calves. One is for cows and calves and measures . Although opportunistic, dholes have a seeming aversion to hunting cattle and their calves. Among their delicacies was the curdled milk from the stomachs of suckling buffalo calves. Differences in width of arm, thighs and calves also increase during puberty. They received 12 sheep and 3 calves. Humpback whales have been observed defending gray whale calves from orcas. Veal crates were a close-confinement system of raising veal calves. Males play no part in rearing calves. They live in groups of either females and calves or just males. Male calves played for longer than females calves did. First, acidified milk is mixed with rennet taken from milk calves. The polar bear is well adapted for hunting Arctic whales and calves.