Dr. CHIBOGU

Question 1

What is Puberty

Answer 1

Puberty is a transition from juvenile to being reproductive active

Question 2

What does puberty start with

Answer 2

Puberty start with the first estrus cycle capable of resulting in a fertile ovulation

Question 3

What does pubery signify

Answer 3

This phase signify that the reproductive organs are now functional and capable of procreation thus preparing for sexual maturity

Question 4

What is sexual maturity

Answer 4

Sexual maturity is when the animals has goes through several series of ovulation and cycle

Question 5

What is Gonadal theory’s of puberty induction

Answer 5

1. Basal Gonadothropin secretion

2.Rising LH level

3. Pubertal thresholds

Question 6

Non pubertal esttrus

Answer 6

Anovulatory oestrus

Affectionately know as silent heat does not lead to successful fertilization

Question 7

Pubertal oestrus

Answer 7

In contrast pubertal ooestrus is characterised by ovulation and the potential for fertilitty a clear indication

Question 9

Factors affecting the onset of puberty

Answer 9

1. Body weight n composition
2. Inherent genetics ( breed)
3. Environmental factors ( seasonal breeders , male effects)
4. External nutrition

Question 10

Gonadostat theory
Prepuberty

Answer 10

Before puberty
There is a basal release of GnRH and prodtion of low levels of estrogen
the Hypothalamus and pituitary gland are highly sensitive to low estrogen levels
GnRH is released from hypothalamus and acts on the anterior PITUITARY gland which produces FSH and LH that act on the ovaries to produce Estrogen

Low levels of estrogen has a negative feedback on hypothalamus and pituitary GLAND

Question 11

During puberty for the Gonadostat theory

Answer 11

There is an increase in GnRH due to stimulus from the Kisspeptin
The increase level cause for the production of estrogen that reaches the threshold and induced the production of LH receptors and LH surge that causes ovulation