Abortion
Premature expulsion of a fetus, either by nature or by intent
Afterbirth
placenta and fetal membranes expelled from uterus in parturition
Albino
Genetic trait causing lack of pigment in the skin, hair, irises of the eyes
Alter
To neuter a male animal
Artificial Insemination
Introduction of semen into the uterus by other than natural means
Billy Goat
A male goat
Bitch
A female dog
Boar
a male pig
Breed (noun)
a group of related animals similar enough to produce similar offspring
Breed (verb)
to supervise the sexual propagation of animals
Brood
offspring from one hatching of a birds egg
Broody
hen sitting on eggs
Buck
a male, deer, goat, rabbit, or kangaroo
Bull
male of various large animals, especially cattle
Bullock
A castrated bull or steer
Capon
A neutered rooster
Cesarean Section
Removal of unborn young by surgical incision into the uterus
Calf
Bovine young less than 1 year old; seal young
Castration
Removal of the testicles; neutering a male animal
Chick
A young bird; especially a chicken
Chromosomes
bodies within the cell nucleus which store genetic information
Clutch
a group of eggs laid at one time by a bird
Cob
a male swan
Cock
a male chicken over one year old
Cockerel
A male chicken under one year old
Colostrum
protein, and antibody, rich milk secreted by the mother after giving birth
Colt
a male horse before maturity
Congenital
Condition existing at birth, but not hereditary
Cow
a female of various large animals, especially cattle
Cur
A mixed-breed dog of little value
Cygnet
A young swan
Dam
Female Parent
Doe
An adult deer or goat
Drake
A male duck
Duckling
A young duck
Embryo
Undeveloped fetus; the young in an early stage of developement
Entire
Unneutered
Estrus
Time of reproductive cycle when the female is receptive to mating
Ewe
A female sheep of breeding age
Fertilization
Union of the sperm and egg
Fetus
Unborn developing animal
Filly
A female horse under 4 years old
Fledgling
A young bird just learning to fly
Foal
A young or newborn horse
Gander
A male goose
Gelding
A neutered male horse
Gene
Part of a chromosome carrying hereditary information
Genitalia
Part of a chromosome carrying hereditary information
Gestation Period
Time between conception and birth of an offspring
Gilt
A young female pig
Gobbler
A male turkey
Gosling
A young goose
Gravid
Pregnant; containing developing young
Heat
Estrus Condition
Heifer
A young cow
Hereditary
Transmissible from parent to offspring; genetically determined
Inguinal Hernia
Protrusion of tissue through inguinal canals of males
Jack
a male donkey; jackass
Jenny
A female donkey
Kid
a young goat
Kitten
A young cat
Lamb
A young sheep
Litter
Several offspring from one birth, especially in mammals
Mammary Glands
Glands of female mammals that secrete milk after parturition
Mare
A female horse 4 years or older
Miscarriage
Expulsion of underdeveloped fetus
Monestrous
Having one estrus period per year
Mongrel
A mixed-breed dog; a Mutt
Mule
The sterile offspring of a horse and a donkey; any sterile hybrid
Nanny goat
A female goat
Neonate
A newborn animal
Nest
Structure made of place chosen for breeding or laying eggs
Neuter
Removal of the testicles
Nuptial Plumage
Brilliant mating season plumage exhibited by some birds; usually birds
Oviparous
Animals whose eggs develop outside the mothers body
Ovoviviparous
Animals whose eggs develop within the mothers oviduct
Parturition
The process of giving birth
Pen
A female swan
Piglet
A young pig
Pouch
Fold of the skin for carrying young on abdomen of female marsupial
Placenta
Organ within the gravid uterus, expelled after birthing
Polyestrous
Having more than one estrous period per year
Pregnancy
Condition in which offspring develop in the female uterus
Prepuce
Protective sheath covering the penis
Pullet
Female chicken less than 1 year old
Pup
A young dog; a young seal
Queen
A mature, entire female cat used for breeding
Ram
A male, entire, sexually mature sheep (about 6 months or older)
Rooster
A male chicken
Shoat
A pig under 1 year old
Sire
The male parent of a quadruped, especially a horse
Sow
A female pig
Spay
To remove the ovaries and uterus; to neuter a female animal
Squab
A fledgling pigeon
Stag
A male deer
Stallion
A male horse
Steer
A neutered bull
Stud
A male horse used for breeding
Tom
A male cat or turkey
Umbilical Cord
Vessel connecting the fetus to the placenta
Vagina
Female passage for copulation and birthing
Viviparous
Giving birth to live young developed in the uterus
Vixen
A female fox
Wether
A neutered ram or billy goat
Whelp (noun)
The young of a dog
Whelp (verb)
Giving birth to, said especially for dogs
