Male sheep, cattle, goats and pigs are routinely castrated in order to reduce aggression and subsequent injury. Methods of castration are either by blade or rubber ring. At present, castration is carried out as a routine husbandry procedure on young animals without the use of anaesthetic or pain relief. read more
As far as I know, testosterone, the male hormone causes them to be aggresive, they behave more wild with their testicles intact. When they are castrated, no testosterone is produced from the testes, no aggression. A calm animal is what the farm requires, and that's what they become after castration. read more
Unfortunately, many farmers choose to castrate their male animals at an older age when the animal is matured. They give the reason that castration at an early age would lead to stunted growth, or it would affect good body conformation. How to Castrate an Animal. Animals such as pig, cattle, goat, sheep and dogs can be castrated. read more