Compared to a bull a bullock is docile because of:
Compared to a bull a bullock is docile because of:
higher levels of cortisone
lower levels of blood testosterone
lower levels of adrenaline/ noradrenaline in its blood
higher levels of thyroxine.
Solution
Testis is degenerated in bullock because of which the testosterone level in blood is reduced. This hormone promotes the growth of many body tissues such as muscles. However, in bull, it is active, thereby adding greater musculature; bulls are not docile like bullocks.