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Repro management

QuestionAnswer
What hormone is important for early developing follicles FSH
What produces progesterone The corpus lutes
Where is prostaglandin in the body? Everywhere! Uterus makes it because the embryo will signal if it should make it
What causes progesterone levels to come back down? Luteyolisis
What does LH do Stimulate follicular growth and a growing follicle will produce high levels of estradiol
What do high levels of estradiol do Causes estrus and a surge release of LH that triggers ovulation
Whats the purpose of prostaglandin f2a Induce luteal regression in non pregnant females
What does prostaglandin do Causes luteyolysis and regression of the corpus lute
When will the CL respond to prostaglandin day 5 1/2 of cycle
What type of hormone is GNRH Peptide!
What does GNRH do?? releases gonaditrophin hormones (LH and FSH). early follicles won't respond to this it has to be a dominant follicle
What is an IM injection and how is it given 18 gauge, intramuscular, long needle injected straight
What do progestins do and where do they come from come from corpus lutes, they inhibit estrus and ovulation but can also induce cyclicality in pre pubertal heifers
Briefly explain MGA, CIDR, and detection aids MGA - progesterone derived(very similar), only use in heifers, similar to birth control pill CIDR - has actual progesterone in it, similar to IUD but in vagina and only in for 5-15 days Detection - tool to identify animals in standing heat tail chalk
What does GnRH do Induce ovulation and synchronize follicular waves
What is aimed target weight, and how much do calves have to gain before first breeding 55-65%. Gain 300 lbs in 200 days.
What is the biggest influence when deciding target weight economics!!! How much money is feed, where are you located, etc
Created by: user-2031348
 

 



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