Bovine
Cattle
Bull
A male bovine that has not been castrated
Steer
A male bovine animal that was castrated before reaching maturity
Cow
A female bovine that has had one or more calves
Heifer
A female bovine that has not had a calf
Cattle Gestation
285 days (9 months)
Calving
Bovine giving birth
Calf
Young male/female bovine
Boar
A male swine that has not been castrated, used for breeding
Procine
Swine
Barrow
A male swine castrated while young, in which physical traits of a boar have not developed
Sow
An older female swine that has farrowed or is showing signs of pregnancy
Gilt
A young female swine that has not farrowed and is not showing signs of pregnancy
Swine Gestation
114 days (3 months, 3 weeks, 3 days)
Farrowing
Swine giving birth
Piglet
Young female/male swine
Ovine
Sheep
Ram
A male sheep or lamb that has not been castrated
Wether
A male sheep or male goat that has been castrated before reaching maturity
Ewe Lamb
A female sheep that has not given birth
Ewe
A female sheep that has given birth
Sheep & Goat Gestation
152 days ( 5 months)
Lambing
Sheep giving birth
Lamb
Young male/female sheep
Caprine
Goats
Buck
Uncastrated male goat
Doe
Female goat that has given birth
Doeling
Female goat that has not given birth
Kidding
Goat giving birth
Kid
Young male/female goat
Equine
Horses
Stallion
A mature male horse four years of age or older
Gelding
A male horse that has been castrated
Mare
A mature female horse, four years of age or older
Filly
A female horse under three years of age
Foal
A young horse of either gender up to one year of age
Horse Gestation
340 days (11 months)
Foaling
A horse giving birth
Foal
Young male/female horse
Poultry
Domesticated fowl
Rooster
A male of domestic poultry
Capon
A male chicken that has been surgically castrated
Hen
A female of domestic poultry
Pullet
A female chicken that has not produced yet
Poultry Gestation
21 days
Hatching/Laying
Poultry giving birth
Chick
Young male/female chicken