AN_SCI 1001 Lecture Notes - Lecture 5: Granulosa Cell, Pelvis, Glans Penis
Document Summary
Ovulation: rupture of an ovarian follicle and the release of the female gamete. Why do we care: first step of getting pregnant, cows or heifers that do no get pregnant have to change career (beef, for dairy cows, the preferred career is making milk. When does first ovulation occur: puberty in heifer. Beef: 1 yr of age: postpartum cow. Why is first ovulation important: heifers. We want them to have their first calf after 2 years old. They need to get pregnant at 14 months of age: cows. We want them to calve every 13 months. Need to be pregnant by 110 days postpartum. We want them to calve every 12 months. Need to be pregnant 80 days postpartum. What do we call animals that have not ovulated: heifer. Anestrus: cow has not been see in estrus. 1 year of age: less well defined than in heifers, seminiferous tubule: where sperm cells are formed.
