Swine 1 Flashcards
classification class- animals with mamammary gland
mammalia
sub-class classification - animals with placenta
eutheria
order- animals with hoof
ungulata
sub-order- animals with even toed
Artiodactyla
family-suidae
genus- sus
specie- domesticus
scientific name- Sus domesticus
swine
omnivorous animal belonging to the family suidae
swine
swine used by Netherlands and other European countries
pig
swine used by Americans
hog
mature male pig for breeding purposes
boar
mature female for breeding purposes
sow
young female usually 6-8 months of age for breeding purposes and has not given birth
gilt
male pig castrated while young or before development of secondary sexual characteristics
barrow
pigs about 5-6 months and ready for market disposal
fatteners/ finishers
pigs about 2.5 months- 4.5 months
grower pig
newly separated from their dam and about 21 days- 50 days of age
weanlings/ weaners
mother
father
dam
sire
young pigs still with their mother and are dependent on milk
piglets/ sucklings
group of animals with distinct common traits; produced offsprings maintain these same traits
breed
progeny of purebred parents of the same breed
purebred
animals produced by combination of good traits
hybrids (synthetic breeds)
crossbred animals that perform better than the average of their parents
hybrid vigor/ heterosis
time when the animal is sexually receptive
estrus period/ heat period
period from one estrus to the next. usually 18-21 days
estrus cycle
part of animal life which links sexual immaturity to maturity. usually about 5-6 months of age
puberty
feed allowance of an animal per day
ration
castrated mature male pig/ castrated boar
stag
piglet of small size, malnourished, stunted growth
runt
act of separating piglets from their mother
weaning
all unwanted animals removed from herd
culls
first secreted milk
colostrum
period between weaning and the next service
dry period
after weaning, a sow is expected to come into heat within how many days
3-7 days
pregnancy period of sow
in days
114 days
duration of estrus cycle
3 weeks or 21 days
if sow fails to conceive after service, she is expected to repeat, or come into heat how many weeks after the unsuccessful service
3 weeks
this lasts as long as the farmer allows it but the normal is between how many days
28-42 days
how many days is the rearing period of weaners
30-40 days
growing and finishing of fatteners takes how many months
3-5 months
replacement breeders are reared to an age of about how many months and how long does it take
about 8 months and the rearing period takes 5-6 months
- dry period
2 pregnancy period - lactation period
- rearing period of weaners
- growing and finishing of fatteners
- rearing period of replacement stocks
- 3-7 days
- 114 days
- 28-42 days
- 30-40 days
- 90-150 days
- 150-180 days
from one farrowing to the next, a sow needs how many days and it is known as the farrowing interval
145-163 days
