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Large Animal 1: Swine Basics (Production-Farrowing)
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Pork is a major part of the US economy where are the top production states primarily located?
midwest
birth weight
3-4lbs
feeder pig weight
30-75lbs
market swine weight
200-280lbs
weight of mature female
300-600lbs
weight of mature male
400-800lbs
Pigs have what kind of breeding cycle?
polyestrus
Pigs cycle how often?
every 21 days
How long does estrus last?
2-3d
Why do most producers vary breeding?
to have a continuous supply
Breeding age/puberty? List age and weight.
8mo
250lbs
In natural breeding 1 boar can service how many sows?
15
Although artificial insemination is a more efficient use of semen it is also more...
labor intesive
gestation
112-114days
or 3mo 3wk 3d
How many litters a year?
2
The sow is bathed and then enters the farrowing barn within.....
one week of due date
Why is the farrowing pen designed to keep the sow from the piglets?
to protect them from getting crushed by the sow
Most sows farrow at night and what is rare?
dystocia
What occurs during stage 1?
sow shows nesting behavior w/in 24 hours of giving birth
What occurs during stage 2?
sow lays quietly for an hour then the piglets are born within 15-20min
What is stage 3?
delivery of placenta between each piglet
Piglets nurse within 30min but if not when must they receive colostrum by?
12hrs
Normal nursing schedule
once an hour for at least 6min
What is established several days after birth?
teat order
stronger pigs prefer cranial teats
Weaning
3-5wks
Causes of neonatal death:CSH
crushing
starvation
hypothermia
Temp and sign of hypthermia
room should be 90-95F
if cold they pile
What does piling cause?
rectal prolapse from pressure
Where should the room thermometer be held at?
the level of the pig
Author
heather.dundas
ID
240824
Card Set
Large Animal 1: Swine Basics (Production-Farrowing)
Description
vti
Updated
2013-10-15T22:03:42Z
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