By Richard M. Hopper
Bovine Reproduction is a complete, present reference delivering info on all facets of replica within the bull and cow. providing primary wisdom on comparing and restoring fertility within the bovine sufferer, the publication additionally areas info within the context of herd healthiness the place acceptable for a really international view of bovine theriogenology. published in complete colour all through, the e-book contains eighty three chapters and greater than 550 pictures, making it the main exhaustive reference to be had in this topic.
Each part covers anatomy and body structure, breeding administration, and reproductive surgical procedure, in addition to obstetrics and being pregnant wastage within the cow. Bovine Reproduction is a welcome source for bovine practitioners, theriogenologists, and animal scientists, in addition to veterinary scholars and citizens with an curiosity within the cow.
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Extra info for Bovine Reproduction
44,45 Leydig cells contain plasma membrane-bound receptors that specifically bind LH. The binding of LH stimulates adenyl cyclase to produce cyclic adenosine monophosphate (cyclic AMP), a second messenger in the cell cytoplasm, which in turn activates cyclic AMP-dependent protein kinase thereby increasing the conversion of cholesterol to pregnenolone. The action of LH can be readily demonstrated in hypophysectomized and intact males. 42 have suggested that FSH may act on the aromatizing enzyme system of testosterone biosynthesis, but little evidence exists for action on other steps of the steroidogenesis pathway in the testis.
The action of LH can be readily demonstrated in hypophysectomized and intact males. 42 have suggested that FSH may act on the aromatizing enzyme system of testosterone biosynthesis, but little evidence exists for action on other steps of the steroidogenesis pathway in the testis. 48 Schanbacher48 reports that a temporal relationship exists between concentrations of LH and testosterone in the blood, and that there is evidence that episodic secretion depends on discrete episodes of LHRH discharge from the hypothalamus.
In: Hamilton DW, Greep RO (eds) Handbook of Physiology, Section 7, Vol. V. Washington, DC: American Physiological Society, 1975, pp. 21–55. 10. Parkes A. The internal secretions of the testis. ) Marshall’s Physiology of Reproduction, Vol. III. London: Longmans, 1966, pp. 412–569. 11. David K, Dingemanse E, Freud J, Laque F. Uber krystellinishces manliches hormone aus hoden (testosteron), wirksamer als aus harn oder uas cholesterin bereitestes androsteron. Z Physiol Chem 1935;233:281. 12. Smith P.