Reproductive Cycle (Leaving Cert Agricultural Science): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
What is the oestrous cycle?
What is the oestrous cycle?
Regular reproductive pattern in female mammals
4 stages of oestrous cycle
4 stages of oestrous cycle
Proestrus, Oestrus, Metoestrus, Dioestrus
Stage when ovulation occurs
Stage when ovulation occurs
Oestrus
Hypothalamus hormone in reproduction
Hypothalamus hormone in reproduction
GnRH
Cow oestrous cycle length
Cow oestrous cycle length
21 days
Duration of oestrus in cows
Duration of oestrus in cows
18-24 hours
Cow gestation period
Cow gestation period
283 days (about 9 months)
Sheep oestrous cycle length
Sheep oestrous cycle length
17 days
Sheep gestation period
Sheep gestation period
147 days (about 5 months)
Advantages of AI over natural mating
Advantages of AI over natural mating
Genetic improvement and disease control