Estrous Synchronization Flashcards
What hormones can be used to synchronize estrous?
Which one is illegal in US?
LH, FSH, Progesterone, Prostaglandin
Estrogen
How many days are required for cows to recover from calving before next breeding?
60 days
Describe what type of females these are used on:
- GnRH
- Prostaglandins
- Progestins
- Mature females
- Cycling females
- Pre-pubertal heifers / post partum females
We can expect estrus # days after a prostaglandin shot
2 days
Which synchronization method is used to prevent animals from going into heat?
Progestins
What is MGA?
A progestin feed supplement
What is CIDR?
A progestin vaginal insert
In mares, when a # mm follicle is present we can expect ovulation in # days
30-35mm
2-4 days
In sows prostaglandin will not cause CL regression until day #
12
What is Matrix?
What species is it used on?
What does it do?
A synthetic progesteron
Sows
Suppress estrus
The most common synchronization protocols for ewes are either the use of __ or ___
Prostaglandins
CIDR
