Animal Production Flashcards
means to adapt the behavior of an animal to fit the needs of people.
Domesticate
began when early humans had contact with wild animals, which they hunted for food and skins.
domestication of animals
supplied a surer source of food and clothing.
Domesticated animals
Scientific name of cattle with humps
Bos indicus
Scientific name of cattle with no humps
Bot taurus
Scientific name of domesticated swine
Sus scrofa domestica
Scientific name of wild swine
Sus scrofa
Scientific name of sheep
Ovis aries
Scientific name of goat
Capra hircus
Scientific name of domesticated chicken
Gallus domesticus
Scientific name of wild chicken
Gallus gallus
Scientific name of domesticated horse
Equus caballus
Scientific name of wild horse
Equus ferus
Intact male bovine
Bull
Young bovine
Calf
female bovine that has had a calf
Cow
female bovine that has not had a calf
Heifer
Castrated male bovine
Steer
Castrated bull
Ox
Intact male pig
Boar
Female pig
Sow
female pig that has not produced a litter of piglets yet
Gilt
castrated male pig
Barrow
male sheep is called?
Ram
slang term for ram
Buck
female sheep is called
Ewe
slang term for ewe
Yoe
castrated male sheep and goat is called?
Wether
A male goat
Buck
Slang term for Buck
Billy
a female goat
Doe
Slang term for Doe
Nanny
Male chicken that is under a year old
Cockerel
Female chicken that is under a year old
Pullet
Male chicken that is a year or older
Cock
Female chicken that is a year or older
Hen
A male chicken (includes cock and cockerel)
Rooster
Castrated Male chicken
Capon
Castrated Female chicken
Poulard
a female horse
Mare
a male horse
Stallion
a female horse or pony under 4 years of age
Filly
A male horse or pony under 4 years of age that has not been gelded
Colt
castrated male horse
Gelding
Technical Terms for Meat cattle
Beef
Technical Terms for Meat of young bovine
Veal
Technical Terms for Meat of swine
Pork
Technical Terms for Meat of sheep
Mutton
Technical Terms for Meat of young sheep
Lamb
Technical Terms for Meat of chicken
Chicken
Technical Terms for Meat of goat
Chevon
Technical Terms for Meat of horse
Chevaline
A young female calf
Heifer calf
A young male calf
Bull calf
Young swine
Piglet
is a piglet fed on its mother’s milk
suckling pig
Young female lamb
Ewe lamb
Young male lamb
Ram lamb
young male goat less than a year old
Buckling
Young chicken
Chick
Young horse
Foal
is the stage when an animal becomes sexually mature and can reproduce.
Puberty age
reach puberty later than crossbreeds cattle
Pure breeds cattle
Puberty on cattle occurs at what percentage of adult body weight.
55%-60%
What season heifers reach puberty earlier
Autumn
Puberty age of swine
+- 5 months
Puberty age of sheep
5 to 12 months
They mature earlier than multiple-born lambs
Single-born lambs
They were reach puberty earlier than fall-born lambs
Spring-born lambs
Age of puberty for horse
12 to 15 months
Puberty age of chicken
16 to 24 weeks
is when a female animal is ready to mate and can become pregnant.
The oestrus period, or “heat,”
is the regular pattern of hormonal changes that prepare the female’s body for pregnancy and includes the oestrus period
oestrus cycle
Oestrus cycle of cattle lasts about?
21 days
helps prepare the uterus for pregnancy and stops other follicles from developing.
Progesterone
What hormone surge triggers ovulation
Luteinizing hormone
When progesterone drops, new ? grow, causing increased estrogen and estrus.
follicles
if fertilization occurs, the corpus luteum continues producing?
progesterone
Oestrus cycle length of swine?
Approximately 21 days
Which phase of the estrous cycle in swine corresponds to these key events?
▪ Follicle development
▪ Estrogen increase
Proesteus phaes
Which phase of the estrous cycle in swine corresponds to these key events?
▪ Increased restlessness
▪ Vocalization
▪ Standing heat (receptive to mating)
Oestrus phase
Which phase of the estrous cycle in swine corresponds to these key events?
▪ Follicle rupture
▪ Corpus luteum formation
▪ Progesterone production
Metestrus phase
Which phase of the estrous cycle in swine corresponds to these key events?
▪ Continued progesterone production
▪ Maintenance of pregnancy (if fertilization occurs)
Diestrus phase
Which phase of the estrous cycle in sheep and goats corresponds to these key events?
Duration: ~2 days
o Hormonal preparation for ovulation
Proestus phase
Which phase of the estrous cycle in sheep and goats corresponds to these key events?
Duration: 24-36 hours
o Ewe is sexually receptive
o Behavioral signs: Increased vocalization, restlessness
Oestrus phase
Which phase of the estrous cycle in sheep and goats corresponds to these key events?
Duration: ~2-3 days
o Transition from ovulation to preparation for pregnancy
Metestrus phase
Which phase of the estrous cycle in sheep and goats corresponds to these key events?
Duration: ~10-12 days
o Hormonal changes to support pregnancy or reset cycle
Diestrus phase