foppish
发表于 2025-3-23 13:12:24
Seasonal Anoestrus in Wild Sowsnatural wild populations show a general pattern of seasonal breeding. Although the boars are reproductive all year round, the sows exhibit an annual cycle of ovarian activity, an anoestrus period, characterized by non-ovulatory levels of plasma oestrogen and basal plasma progesterone values, occurri
Ejaculate
发表于 2025-3-23 14:09:53
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Classify
发表于 2025-3-23 18:13:00
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Amnesty
发表于 2025-3-23 22:58:00
Hypothalamic-Pituitary-Ovarian Responses to Weaning — Retrospective Evidence for the Cause of LactatH and FSH occurs. The extent to which this escape from the inhibitory effects of suckling and lactation occurs varies between sows and is related to both the response of the endocrine system to weaning and to the weaning to oestrus interval. The length of lactation also affects the endocrine status
路标
发表于 2025-3-24 04:54:19
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Indurate
发表于 2025-3-24 09:29:19
time of that light pulse to between 8 and 12 hours after dawn induces ovarian activity within 2 months after the change..This makes it possible to control reproduction in ewes by giving only extra light and without having to use light-proof buildings.
panorama
发表于 2025-3-24 10:53:07
Gary D. Bouma,Rod Ling,Douglas Prattid not significantly increase the incidence of normal C.L. It is concluded that the gonadotrophic requirement for follicular development, ovulation and formation of a normal C.L. during seasonal anoestrus vary depending on the genetic background of the sheep.
Prosaic
发表于 2025-3-24 15:22:37
Episcopalian Doctrine and Entrepreneurshipng was similar among groups (98 and 84%, subgroups Ia and Ib . 100 and 100%, subgroups IIa and IIb . 100 and 96%, subgroups IIIa and IIIb). The meantime of estrus exhibition ranged between 40.1h±6.2h to 42.3h±4.1h in IIIa and IIIb, 46.4h±6.1h to 49.2h±3.9h in Ia and Ib, and 48.3h±6.1h to 50h±4.6h in
开花期女
发表于 2025-3-24 19:22:19
Historical and Ideological Challenges,ed rise in baseline. Plasma FSH levels are related to the development of steroidogenic activity and to ovulation rate after weaning. The mechanisms controlling the inhibition of reproduction during lactation are uncertain, but a primary block at the hypothalamic level is evident. Both prolactin and
Orchiectomy
发表于 2025-3-25 02:03:06
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