Results 251 to 260 of about 65,862 (290)
Laparoscopic artificial insemination in small ruminants: technological integration, economic evaluation, and future perspectives. [PDF]
Front Vet SciKang TC, Lai IL, Shen PC.
europepmc +1 more source
Factors Affecting the Incidence of Double Ovulations in Lactating Dairy Cows: Estrous Cycle Length. [PDF]
Animals (Basel)López-Gatius F, Garcia-Ispierto I.
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2008
Abstract One dictionary de0nition of estrus is “the periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating” (American Heritage Dictionary of the English Language).
Randy Thornhill, Steven W Gangestad
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Abstract One dictionary de0nition of estrus is “the periodic state of sexual excitement in the female of most mammals, excluding humans, that immediately precedes ovulation and during which the female is most receptive to mating” (American Heritage Dictionary of the English Language).
Randy Thornhill, Steven W Gangestad
openaire +2 more sources
Theriogenology, 2016
The objectives of the present study were to assess the effect of permanent contact of teasers without copulation on the interval from controlled internal drug release (CIDR) removal to estrus onset, estrus duration, ovulation time, number of ovulations, and interval from CIDR removal to ovulation time on estrus-synchronized Boer goats.
Juan E, Romano +3 more
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The objectives of the present study were to assess the effect of permanent contact of teasers without copulation on the interval from controlled internal drug release (CIDR) removal to estrus onset, estrus duration, ovulation time, number of ovulations, and interval from CIDR removal to ovulation time on estrus-synchronized Boer goats.
Juan E, Romano +3 more
openaire +2 more sources
2008
Abstract As we noted in our introductory chapter, over four decades ago researchers offered a de0nitive conclusion about women’s sexuality: Over the course of the last several mil- lion years, women had lost estrous sexuality. Modern women possess no distinct fertile sexuality within their cycles. The theoretical perspective we presented
Randy Thornhill, Steven W Gangestad
openaire +1 more source
Abstract As we noted in our introductory chapter, over four decades ago researchers offered a de0nitive conclusion about women’s sexuality: Over the course of the last several mil- lion years, women had lost estrous sexuality. Modern women possess no distinct fertile sexuality within their cycles. The theoretical perspective we presented
Randy Thornhill, Steven W Gangestad
openaire +1 more source
Journal of the American Medical Association, 1933
There are three distinct substances in the human placenta that are capable of producing estrus precociously when administered to immature rats or mice; the first is ether soluble, the second ether insoluble but alcohol soluble, the third alcohol insoluble.
J. B. COLLIP +3 more
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There are three distinct substances in the human placenta that are capable of producing estrus precociously when administered to immature rats or mice; the first is ether soluble, the second ether insoluble but alcohol soluble, the third alcohol insoluble.
J. B. COLLIP +3 more
openaire +1 more source
Estrus detection and estrus characteristics in housed and pastured Holstein–Friesian cows
Theriogenology, 2010This study compared three methods of estrus detection and characteristics of standing estrus between dairy cows kept in cubicle housing and fed a total mixed ration diet (HOUSED treatment) and those kept at pasture with concentrate ration supplementation (PASTURE treatment).
Palmer, MA, Olmos, G, Boyle, LA, Mee, JF
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Veterinary Clinics of North America: Small Animal Practice, 2018
Since 1952, scientists have studied estrus suppression in dogs. Estrus suppression in dogs must be safe and reliable. Medications used for estrus suppression in bitches include gonadotropin-releasing hormone (GnRH) agonists, GnRH antagonists, progestogens, and androgens.
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Since 1952, scientists have studied estrus suppression in dogs. Estrus suppression in dogs must be safe and reliable. Medications used for estrus suppression in bitches include gonadotropin-releasing hormone (GnRH) agonists, GnRH antagonists, progestogens, and androgens.
openaire +2 more sources
Applied Animal Behaviour Science, 2001
During fall season, 18 multiparous Corriedale ewes were divided into two equal groups for the continuous (CON) and intermittent (INT) presence of a ram. Estrus was synchronized with fluorgestone acetate intravaginal sponges that were left 14 days, plus an injection of 200&mgr;g of a prostaglandin F-2alpha analog at sponge removal.
J E., Romano +2 more
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During fall season, 18 multiparous Corriedale ewes were divided into two equal groups for the continuous (CON) and intermittent (INT) presence of a ram. Estrus was synchronized with fluorgestone acetate intravaginal sponges that were left 14 days, plus an injection of 200&mgr;g of a prostaglandin F-2alpha analog at sponge removal.
J E., Romano +2 more
openaire +2 more sources