Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The period immediately before estrus in most female mammals, characterized by development of the endometrium and ovarian follicles.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
phase of theoestrus cycle , prior tosexual receptivity , during which one or morefollicles of theovary begin to grow.
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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- PGF 2α will not be secreted, CL lives, producing progesterone, diestrus will last the duration of pregnancy - synthetic PGF 2α given during diestrus will kill CL and return animal to proestrus immediately; if pregnant animal will have abortion 3.
Recently Uploaded Slideshows janny0759 2010
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Ovary: - rapid follicular growth can be palpated rectally; the follicle palpates as a fluctuant, fluid-filled structure - The former CL is dying - CA (corpus alibicans) and can be felt per rectum as a hard knobby structure My notes: - CL becomes CA - if cow stuck in proestrus give GnRH (Factrel, Cystorelin, and Fertagyl) - cow follicle LH
Recently Uploaded Slideshows janny0759 2010
-
- PGF 2α will not be secreted, CL lives, producing progesterone, diestrus will last the duration of pregnancy - synthetic PGF 2α given during diestrus will kill CL and return animal to proestrus immediately; if pregnant animal will have abortion 3.
Recently Uploaded Slideshows janny0759 2010
-
- PGF 2α secreted from uterus - CL killed = sudden drop of progesterone, and return to proestrus
Recently Uploaded Slideshows janny0759 2010
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Heat detection in estrus: - watch for sexual activity - signs will begin during proestrus - note any cows exhibiting signs, and watch them specifically to move into estrus - standing willingly
Recently Uploaded Slideshows janny0759 2010
-
Can use gomer, electronic pack, dye pack, 13 set out for night and watch for mounting - in proestrus a female may mount another female; when in estrus the female will wait to be mounted, standing willingly is a sure sign that she is in heat J.
Recently Uploaded Slideshows janny0759 2010
-
Heat detection in estrus: - watch for sexual activity - signs will begin during proestrus - note any cows exhibiting signs, and watch them specifically to move into estrus - standing willingly
Recently Uploaded Slideshows janny0759 2010
-
Ovary: - rapid follicular growth can be palpated rectally; the follicle palpates as a fluctuant, fluid-filled structure - The former CL is dying - CA (corpus alibicans) and can be felt per rectum as a hard knobby structure My notes: - CL becomes CA - if cow stuck in proestrus give GnRH (Factrel, Cystorelin, and Fertagyl) - cow follicle LH
Recently Uploaded Slideshows janny0759 2010
-
Can use gomer, electronic pack, dye pack, 13 set out for night and watch for mounting - in proestrus a female may mount another female; when in estrus the female will wait to be mounted, standing willingly is a sure sign that she is in heat J.
Recently Uploaded Slideshows janny0759 2010
-
- PGF 2α secreted from uterus - CL killed = sudden drop of progesterone, and return to proestrus
Recently Uploaded Slideshows janny0759 2010
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