Which of the following is correct regarding the castration of male goats, sheep, and calves?
1
Castration is usually done when the animal is about 1 year old.
2
The most humane method of castration is the application of a custom-made rubber ring to the neck of the scrotum when the animal is 7 to 10 days of age.
3
It is legal for anyone to castrate animals of any species.
4
Castration is not painful and does not require the use of sedatives, pain killers, or anesthetics.