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by: abirkenholtz
GPA 2.75

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About this Document

Domestic Animal Reproduction
Dr. Youngs
Class Notes
25 ?




Popular in Domestic Animal Reproduction

Popular in Animal Science and Zoology

This 2 page Class Notes was uploaded by abirkenholtz on Thursday April 21, 2016. The Class Notes belongs to An S 331 at Iowa State University taught by Dr. Youngs in Spring 2016. Since its upload, it has received 8 views. For similar materials see Domestic Animal Reproduction in Animal Science and Zoology at Iowa State University.

Popular in Animal Science and Zoology


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Date Created: 04/21/16
Review: 3-30-16 1. What happens post-natally to cause puberty in a female? Remember, the ovaries, hypothalamus, and adenohypophysis are all functional during fetal life. 2. What is a “spontaneous ovulator” and give some examples: 3. What is an “induced ovulator” and give some examples: 4. The initial reproductive cycle is known as what? 5. What are the 4 stages of the estrous cycle and list their primary hormone and functional structure: 6. What are the 2 phases of the estrous cycle and list their primary hormone and functional structure: 7. What is a group of follicles called? what is programmed cell death called? 8. How does a dominant follicle(s) cause atresia of subordinate follicles? 9. Why do pigs not exhibit follicular waves? Hormone: Site of synthesis: Target cell/tissue: Major Funcitons: Luteinizing Hormone (LH) Follicle Stimulating Hormine (FSH) Estrogen (E 2 Progesterone (P 4 Inhibin Prostaglandin (PGF2) 10. In poultry, how does Melatonin inhibit LH? 11. Name the sections of a hen’s oviduct, how long a maturing egg is present in each section: 12. When evaluatin a male rooster for sexual activity, what do you look for? 13. Difference between a blastodisc vs a blastoderm: 14. What temperature causes stasis in chicken eggs? *draw the female reproductive hormone feedback loops on the back


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