Sheep Flashcards
(18 cards)
Sheep gestation period
143-147 days
1st stage labour duration
3-6 hours
1st stage labour definition
Preparation for lamb to exit
1st stage labour characteristics
Nestbuilding
Stargazing
Lying and getting up
15-30s abdominal contractions
Mucus hanging from vulva
1st stage labour start
1st stage labour end
Mucus plug passed
2nd stage labour definition
Actual lambing
2nd stage labour end
Last lamb passed
2nd stage labour duration
10-60 minutes
2nd stage labour characteristics
Active and powerful straining
Lamb presents
Amnion should rupture
3rd stage labour start
Last lamb passed
3rd stage labour end
Last of foetal membranes passed
3rd stage labour definition
Expulsion of foetal membranes
3rd stage labour duration
2-3 hours
When to intervene in 1st stage parturition
Contractions stop
Over 4 hours
2nd stage start
Uterine contractions begin
When to intervene in 2nd stage parturition
Over 2 hours
30+ minutes unproductive straining
No second lamb after 30+ minutes
Malpresentation