Pig Husbandry (P 1-4) Flashcards
(49 cards)
this is the world’s most consumed meat from terrestrial animals
pork
in 2018-2019, half the world’s population of pigs died from this disease
African Swine Fever
40% of the UK breeding herd for pork is managed under this type of production which is unusual/rare globally in commercial production
outdoor
farm size for pigs is characterised by this number
number of breeding females
a porker is approximately this many kg dead weight
30-54 kg
a baconer is approximately this many kg dead weight
65-80 kg
the oestrus cycle in pigs is this many days
21 days
oestrus commonly lasts this long in pigs
60 hours (2.5 days)
ovulation occurs on the second day of oestrus n pigs and this many eggs can be produced each cycle
12-24 eggs each cycle
gestation in pigs is approximately this long
115-117 days (3 months, 3 weeks, & 3 days)
sows will typically have this many litters per year
2.4
detecting first oestrus in gilts is between these days
160-210 days
young boars that are adequate in size and have strong legs can be used for natural service starting at this age
7-8 months
at what day of gestation is pregnancy testing done in pigs
day 30
most pig units service the sows naturally or with AI?
AI
typical commercial sows give birth to this many live-born piglets per litter
12-14
piglets weigh approximately this much at birth
1-1.5 kg
typical live-born piglet mortality ranges from this percent per litter
10-12%
piglets are weaned at approximately this age
4 weeks
piglets should weigh this much at 4 weeks/weaning age
7-8 kg
this is the legal minimum weaning age in the UK and EU for piglets
28 days
although under the legal minimum, piglets can be weaned at this age if the health of the sow or litter are in doubt
21 days
organic systems require piglets to be weaned at this age
6-8 weeks
with average genetics, pigs can reach a maximum growth rate of this many grams per day at 78 kg body weight
970 g / day