Week 7- Managing and Monitoring Infertility In Prod animals I

Question 1

What may go wrong with the oestrus cycle axis?

Answer 1

Stressed animals produce cortisol, which has
negative feedback on the hypothalamus and
pituitary
* Results in alteration/suppression of the
ovaries

Question 2

What Stressors may effect the oestrus cycle

Answer 2

Group changes
* Drop in social status
* Transport
* Lameness
* SCC

Question 3

What may happen if LH doesnt function effectively?

Answer 3

Reduced pulse amplitude and frequency
* Reduced surge amplitude
* Delayed surge – uncoupled with oestrus