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ANSC245- sow estrous
Fall 2010
| Question | Answer |
|---|---|
| after ovulation, what do follicular structures transform into? | Corpus Lutea |
| Ovaries | produce ova,progesterone and estrogen |
| estrogen | hormone responsible for the regulation of reproduction processes and the typical signs of estrus |
| LH | luteinizing hormone. produced by anterior pituitary. |
| what does the LH do? | stimulates ovulation |
| FSH | Follicle Stimulating Hormone, secreted by pituitary gland |
| what does FSH do? | enhances follicle growth |
| CL | corpus lutea. produces progesterone |
| GnRH | gonadotrophin releasing hormone. secreted by the hypothalmus |
| what does GNRH do? | regulates anterior pituitary gland's releasing of FSH and LH |
| PGF2alpha | produced by uterus when sow is not pregnant |
| what does the PGF2alpha do? | causes the CL to regress and decreases progesterone secretion |
| what does the pituitary gland release? | FSH and LH |
| what happens around day 6 if the sow isn't preganant? | uterus releases PGF2alpha to cause the CL to regress |