By Peter J. Chenoweth, Steven Lorton
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
Read or Download Animal andrology: theories and applications PDF
Best animal husbandry books
The ebook could have a number of typos or lacking textual content. it's not illustrated or listed. besides the fact that, buyers can obtain a unfastened scanned replica of the unique infrequent booklet from the publisher's site. you may also preview the e-book there. buyers also are entitled to a tribulation club within the publisher's publication membership the place they could make a choice from greater than one million books at no cost.
This publication brings jointly the papers offered orally or as posters on the 6th foreign Workshopon Modelling Nutrient usage in livestock, held in Wageningen, The Netherlands, 6 - eight September2004. the aim of this e-book is to offer present study in modelling nutrient digestion andutilization in livestock, sheep, pigs, bird and fish.
Protecting chickens on your personal yard, no matter if out within the nation or correct within the center of the town, is the entire rage nowadays. during this pleasant choice of 500 chicken-raising guidance, specialist chicken fancier Chris Graham offers all you want to be aware of to start during this lucrative pastime. for simple reference, the ideas are divided into ten chapters, masking all points of poultry maintaining, from coops and gear via picking out chickens for eggs and meat to feeding chickens and breeding and displaying.
Eventually yard farmers who are looking to hold a couple of hens for eggs have a bible that is beautiful adequate to depart out at the espresso desk, and cheap sufficient to buy on a whim. This finished consultant, written in captivating prose from the point of view of an natural farmer, will entice readers who're drawn to elevating chickens, or just wish the easiest wisdom approximately the right way to prepare dinner them.
Extra info for Animal andrology: theories and applications
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.
Animal andrology: theories and applications by Peter J. Chenoweth, Steven Lorton