Animal andrology: theories and applications by Peter J. Chenoweth, Steven Lorton

By Peter J. Chenoweth, Steven Lorton

This e-book includes 19 chapters that debate theoretical and utilized andrology for household, zoo and wild animals. themes comprise semen and its parts; sperm construction and harvest; determinants of sperm morphology; sperm practise for fertilization; useful points of semen cryopreservation; assessment of semen within the andrology laboratory; genetic features of male replica; rising options and destiny improvement of semen overview and dealing with and utilized andrology in cats, canines, fowls, turkeys, sheep, goats, cervids, horses, livestock, zebu, buffaloes, pigs, camelids, zoo animals and wild animals. it will likely be of use for these educating animal body structure at a tertiary point and a reference for these drawn to male animal reproductive assessment, functionality and in semen assessment, dealing with and use for synthetic breeding. on hand In Print

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Animal andrology: theories and applications

This ebook includes 19 chapters that debate theoretical and utilized andrology for family, zoo and wild animals. subject matters contain semen and its components; sperm creation and harvest; determinants of sperm morphology; sperm practise for fertilization; sensible points of semen cryopreservation; overview of semen within the andrology laboratory; genetic facets of male replica; rising thoughts and destiny improvement of semen review and dealing with and utilized andrology in cats, canines, fowls, turkeys, sheep, goats, cervids, horses, livestock, zebu, buffaloes, pigs, camelids, zoo animals and wild animals.

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1991). 10. Reported time divisors used for estimating daily sperm production from the number of homogenization-resistant spermatids. , 1992 Cardosa and Queiroz, 1988 Johnson and Neaves, 1981 to be quite resistant to harsh treatments, as evident from their persistence after exposure to some treatments that cause almost complete obliteration of the germ cells (Oakberg, 1959). Because of this resistance, the germ cell:Sertoli cell ratio can be used to assess relative changes in sperm production.

Although the size and shape of spermatozoa are different among different species, the main morphometric structures are similar (Sullivan, 1978). Mammalian spermatozoa consist of two major functionally dependent parts: the head and the tail. While the sperm head contains the materials necessary for fertilization and paternal DNA, the tail comprises the apparatus necessary for sperm energy production and motility (Sullivan, 1978; Roberts, 1986; Barth and Oko, 1989; Garner and Hafez, 2000). The head The sperm head is oval and flattened in shape and it is divided into two segments: the anterior acrosome and the posterior post-acrosomal region.

Johnson L, Varner DD, Tatum ME and Scrutchfield WL (1991) Season but not age affects Sertoli cell number in stallions Biology of Reproduction 45 404–410. Johnson L, Blanchard TL, Varner DD and Scrutchfield WL (1997) Factors affecting spermatogenesis in the stallion Theriogenology 48 1199–1216. Kennelly JJ and Foote RH (1964) Sampling boar testes to study spermatogenesis quantitatively and to predict sperm production Journal of Animal Science 23 160–167. Knight TW (1974) The effect of oxytocin and adrenalin on the semen output of rams Journal of Reproduction and Fertility 39 329–336.

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