Encyclopedia Of Animal Science - R docx

... for younger birds. This assuption is incorrect, resulting in an overestimation of dietary energy requirements. (From Ref. 7.) Table 1 Comparison of the digestive tract of ostriches, emus, and rheas Region Length ... period. All animal ingredients for kosher production must come from kosher-slaughtered animals. Thus, fats or oils used for kosher products are mostly obtained from plant...

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... been referenced as one of the prime pharmaceutical products derived from animal by-prod- ucts, it is now synthesized by other procedures. This is true for a number of other pharmaceuticals, but reliance ... no longer Old McDonalds’ farm. SOCIAL REASONS FOR CONCERN ABOUT ANIMALS Several other factors besides social concern for restoration of husbandry have vectored into the significant...

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... stereotyped form in cattle. Some be- haviors occur regularly, but are a special form of stereo- typed behavior referred to as stereotypies. Stereotypies are stereotyped behaviors composed of relatively ... respective- ly. [6] A carcass in the A-lean maturity group has a bright, cherry-red color of lean with a very fine texture, while a carcass in the E-lean maturity group has a dark, mo...

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... to rapid population reduction, particularly in Bactrian camels. Sport Dromedary racing is a popular sport in Arabic countries. Other Skins are raw materials for traditional currier and tannery. ... a relatively Fig. 2 Schematic presentation of important periods during the rearing and prebreeding period in the determination of reproductive performance in broiler breeder females. (From Brug...

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... be the primary animal health care provider. Veterinarians are under pressure either to provide cheaper diagnostic treatment services for endemic cases or to train herd personnel to diagnose and treat ... increase the yield of gut acetate as a source of energy for the ruminant. Elimination or min- imization of rumen CH 4 production should be a goal of major animal nutrition researc...

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... egg products are custom-made to specif- ic customer requirements. Common refrigerated, frozen, or dry egg products are summarized in Table 2. Dry egg products are packaged in moisture-proof bags ... characterized by the release of corticotropic- releasing hormone (CRH) from the hypothalamus, which then causes the release of adrenocorticotropic hormone (ACTH) from the anterior pituitary gl...

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... through transfer of nutrients to the fetal circulation via the placenta. Transporter of sperm. Organ for peristalsis for expulsion of the fetus at the end of pregnancy. Organ for secretion of ... requirement). [9] Vitamin Premixes Vitamin premixes are custom formulated to meet the desired requirements for growth or reproduction, and are blended with carrier materials to produce a ba...

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... markers relied upon protein polymorphisms or erythrocyte antigen markers. Then DNA-based markers were developed, such as restriction fragment length polymorphisms (RFLP), microsatellite markers, ... develop different ranking of sires to be used in different regions or countries. HETEROSIS Heterosis is the advantage of crossbred individuals over the average of purebreds from the breeds u...

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... D 3 receptor; ER= estrogen receptor; MR= mi neralocorticoid receptor; AR =androgen receptor; PR=proges terone receptor; GR=glucocorticoid receptor. (From Ref. 5.) Hormones: Steroid 525 Horses: Breeds/Breeding/Genetics Rebecca ... dimorphic character- istics of protein hormone secretion are GH secretory pattern, serum concentrations of IGF-I and IGF-II, and serum concentrations of glucos...

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... de- veloped from existing genetic resources within countries or acquired from other countries. CURRENT LEVELS OF U.S. TRADE Improved animal performance is the primary impetus for trade. Some of ... the conservation of breed variation. Technically, increasing international germplasm trade requires improved cryopreservation protocols across species, refinement of health tests, sharing...

Ngày tải lên: 02/07/2014, 00:20