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Encyclopedia of reproduction

Ernst Knobil, +1 more
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The article was published on 1998-01-01 and is currently open access. It has received 702 citations till now.

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Chronic administration of nonsteroidal-antiinflammatory drugs (NSAIDS): effects upon mouse reproductive functions.

TL;DR: The data reveal that chronic administration of ibuprofen or piroxicam can exert detrimental effects upon reproductive physiology, which depends on the doses and/or the drug employed.
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The Breast as a Developing Organ

TL;DR: The fact that the breast is the source of the most frequently diagnosed malignancy in the female population requires to fully understand how the various phases of development are influenced by endocrinological and reproductive events, because they will ultimately determine the risk of developing breast cancer.
Journal ArticleDOI

Does injection of prostaglandin F2α (PGF2α) cause ovulation in anestrous Western White Face ewes

TL;DR: Treatment of non-prolific Western White Face ewes with PGF2α and intravaginal sponges containing medroxyprogesterone acetate resulted in ovulations during the subsequent 6 days when MAP spongees were in place, but these ovulations were not preceded by estrus or a preovulatory surge release of LH.
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The Chicken as a Model Organism

TL;DR: The chicken is introduced as a model for investigations of mechanisms controlling ovarian follicular growth and maturation, ovulation, and changes in ovarian function with aging and is an ideal model for toxicology studies because of its sensitivity and rapid response to environmental toxicants.
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A Neuroanatomical Comparison of Humans and Spotted Hyena, a Natural Animal Model for Common Urogenital Sinus: Clinical Reflections on Feminizing Genitoplasty

TL;DR: The neuroanatomical characteristics of the spotted hyena may be a useful model to simulate the anatomy of common urogenital sinus anomaly in humans and the pattern of clitoral innervation for the unique challenges faced by female spotted hyenas is examined.
References
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Seasonal breeding:nature's contraceptive.

TL;DR: The seasonal cycle highlights the seasonal changes in daylight length, rutting behavior, testicular diameter, sexual skin flush, and concentrations of plasma follicle-stimulating hormone, prolactin, and testosterone in a group of rams throughout the year.
Journal ArticleDOI

The physiological responses of anovulatory ewes to the introduction of rams: a review.

TL;DR: Ewes of many breeds can be stimulated to ovulate by the reintroduction of rams and appear to be effected both through a delay in the onset of the LH surge and through a direct action of progesterone on the ovary.
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Factors affecting the secretion of luteinizing hormone in the ewe.

TL;DR: LH is secreted as discrete pulses throughout all stages of the reproductive cycle of the ewe, including pre‐pubertal, seasonal and lactational anoestrus, and the luteal and follicular phases of the oestrous cycle.

Nutritional influences on reproduction in mature male sheep and goats

TL;DR: In this article, it was shown that nutritional signals exert powerful effects on the reproductive system of mature male ruminants, and the responses are partly independent of changes in gonadotrophin secretion.
Journal Article

Nutritional influences on reproduction in mature male sheep and goats.

TL;DR: In this article, it was shown that nutritional signals exert powerful effects on the reproductive system of mature male ruminants, and the responses are partly independent of changes in gonadotrophin secretion.