neutered
spayed
The castrated animal becomes docile and easily manageable.
An ox used as a draught animal is often an adult, castrated male.
The fair's hog show only allows castrated male hogs.
A capon is a castrated rooster that is prized for its delicate taste and texture.
The police horses are all gelded (castrated).
SMART Vocabulary: related words and phrases
Zoology: veterinary medicine
acaricide
altered
animal doctor
anti-rabies
bovine spongiform encephalopathy
BSE
castrate
cowpox
emasculate
lame
mange
mangy
mpox
neutered
nosema
put something to sleepidiom
put something/someone down
scrapie
veterinarian
worm