Pig management Flashcards
1
Q
Pork from
A
Large white crosses with landrace
2
Q
In outdoor farming
A
Want acid, sandy, free draining soil
3
Q
Performance indicators in pigs
A
- Number of litters per sow per year =2.3
- Number of piglets per litter: normal is 10-11
- Weight of piglets
4
Q
Herd structure in pigs
A
- Nucleus herd: Optimal pure-breeding stock
- Multiplier herd: Cross breeding and expansion of nucleus herd
- Breeder/finisher to make most production
- Breeder/weaning
5
Q
Where to have nucleus herd
A
Far from other pigs to stop spread of disease as small genetic pool
6
Q
To cause females to cycle
A
Need contact with intact male
7
Q
When piglets are born
A
- Clip teeth
- Iron injections (in indoor farms because outdoor farms have iron in the soil)
- Castration (to avoid the taste)
- Dip navels in iodine
8
Q
When are pigs slaughtered
A
At 21 weeks
Around 50 kg (grow bigger for bacon)
9
Q
Spent sows
A
Can’t be used for breeding. Used for sausages/pies