Pigs Flashcards
What is a barrow?
Castrated male
What does dressing mean?
Process of slaughtering, eviscerating and trimming. Refers to the carcase of a once alive animal.
What does farrow mean?
To give birth
What is farrowing rate?
The percentage of sows that farrow relative to the number of sows mated
What is fecundity?
Ability to produce offspring frequently and in large numbers
What is a finisher?
Pig about 16-22 weeks old (or sale age) (called a hog in North America)
What is a gilt?
Unmated female pig (pig equivalent of a heifer)
What is a nucleus?
Term given to a relatively small number of sows and boars of a specific genetic merit retained in the herd or introduced to produce commercial (parent) sows to produce terminal progeny for slaughter. Genetic improvement takes place in the nucleus.
When are pigs in oestrus?
Every three weeks- the sow will be receptive to the boar
What is parity?
The number of litters sow has had
What is pleuropneumoniae?
Respiratory disease (serious) commonly caused by Actinobacillus pleuropneumoniae
What is a replacement rate?
Refers to the number of new gilts introduced to the herd annually to replace culled sows and sows that die. Usually 40-65%
What is a sow?
Female pig that has been mated
What is Swine Dysentery?
Mucohaemorrhagic colitis caused by Brachyspira hyodysenteriae
What is a weaner?
Recently weaned pigs usually up to about 9 weeks of age
When does weaning occur with pigs?
21-35 days (less than a month)
Weaning to service interval
Period from weaning until the sow is served. About 4-10 days.
What are gilts vaccinated against?
Parvovirus, erysipelas, E coli, Leptosporosis (maybe), Mycoplasma hyopneumoniae and Haemophilus parasuis
When are gilts mated (sexually mature)?
Mated to the boar or AI about 30 weeks of age when they weigh about 130 kg
What is the gestation length of a pig?
115 days