Get Animal andrology: theories and applications PDF

By Peter J. Chenoweth, Steven Lorton

ISBN-10: 1780643160

ISBN-13: 9781780643168

This booklet comprises 19 chapters that debate theoretical and utilized andrology for family, zoo and wild animals. issues contain semen and its parts; sperm creation and harvest; determinants of sperm morphology; sperm training for fertilization; functional elements of semen cryopreservation; overview of semen within the andrology laboratory; genetic points of male copy; rising ideas and destiny improvement of semen evaluate 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 is going to be of use for these instructing animal body structure at a tertiary point and a reference for these drawn to male animal reproductive evaluate, functionality and in semen evaluate, dealing with and use for synthetic breeding. on hand In Print

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Extra info for Animal andrology: theories and applications

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Once the total number of cells of a given type has been determined, the data can be used to calculate germ cell:germ cell or germ cell:Sertoli cell ratios. Alternatively, an estimate can be obtained of daily sperm production by dividing the total number of spermatids by a time divisor (the number of days of sperm production represented by these cells). DSP may also be estimated from the numbers of younger germ cells, but this requires correction for subsequent cell divisions. Such estimates are subject to greater potential errors due to normal or treatment-induced cellular attrition.

Daily production and output of sperm Journal of Animal Science 39 732–736. Gebauer MR, Pickett BW and Swierstra EE (1974b) Reproductive physiology of the stallion. III. Extragonadal transit time and sperm reserves Journal of Animal Science 39 737–742. Gondos B and Berndtson WE (1993) Postnatal and prepubertal development In The Sertoli Cell pp 115–154 Ed LD Russell and MD Griswold. Cache River Press, Clearwater. Hafs HD, Hoyt RS and Bratton RW (1959) Libido, sperm characteristics, sperm output, and fertility of mature dairy bulls ejaculated daily or weekly for thirty-two weeks Journal of Dairy Science 42 626–636.

Rather, by increasing the efficiency of ejaculation, sexual preparation simply allows maximal DSO to be achieved via ejaculation at a lower frequency than would be required in its absence. This is beneficial for the AI industry, because it reduces the total time required to collect and process the maximal quantity of semen for a given male. 14. Frequency of ejaculation and daily sperm output (DSO) of stallions. 15. Increase in sperm output attributable to sexual preparation of bulls. Ejaculations/wk 1 2 2 4 4 4 6 No.

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

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