Sheep husbandry Flashcards
1
Q
Lambing schemes
A
Early lambing: January-April
Spring lambing and creep feed: March-end of June
Spring lambing and finish off grass: March-August
Short keep store lambs: Late April-December
Long keep store lambs: Late April-February
2
Q
Sheep repro
A
Seasonally polyestrus
cyclicity by increasing release of melatonin in response to increasing hours of darkness
3
Q
How can the breeding season be advanced?
A
Artificial altering of photoperiod
Melatonin implants
Insertion of progesterone sponges and injection of eCG
Use of vasectomized ram (teaser)
4
Q
What does the ration need to be to develop synchronization?
A
Goes from 1:40-50 to 1:10
