منابع مشابه
Genetics of Meat Quality Characteristics -
Genetic improvement of animals is a long term process and breeding programmes need to consider aspects that are of importance in the future. In addition to cost-effective pig production, factors that affect marketing of pork will become increasingly important. One important factor in marketing of pork is leanness. Consumers prefer lean meat for health reasons. This is taken into account in toda...
متن کاملBetween- and within-breed variations of spine characteristics in sheep.
Implementing the use of spine traits in a commercial breeding program has been seen to improve meat production from the carcass of larger-bodied pigs. The aim of this study was to assess the extent of variation in spine characteristics within and between breeds of sheep and to investigate the association with body length and tissues traits to deliberate if a similar approach could be applicable...
متن کاملGrowth- and breed-related changes of marbling characteristics in cattle.
The objective of this study was to investigate the growth- and breed-related changes of marbling characteristics in cattle. Four cattle breeds with different growth impetus and muscularity were reared and slaughtered under experimental conditions. German Angus, as a typical beef cattle; Galloway, as a smaller, environmentally resistant beef cattle; Holstein-Friesian, as a dairy-type cattle; and...
متن کاملPneumoviruses: Molecular Genetics and Reverse Genetics
Pneumoviruses are responsible for significant respiratory disease in their hosts and represent a major problemfor human and animal health. Pneumoviruses are members of the family Paramyxoviridae, subfamilyPneumovirinae and the virus particles consist of a negative-sense, nonsegmented RNA genome within a helical nucleocapsid structure enveloped in a lipid membrane derived from the ho...
متن کاملEffect of ewe breed on the reaction time and semen characteristics in the ram
The aim of this study was to determine the effect of ewe breed on the reaction time and semencharacteristics in the ram. For this purpose, from the native sheep breeds in Iran, seven Lory rams and fourewes (two Lory and two Ghezel breeds) were selected. Seven rams were individually subjected to 4 weeklytrials in which one of the following two treatments was applied alternately. All of rams were...
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ژورنال
عنوان ژورنال: Poultry Science
سال: 1926
ISSN: 0032-5791
DOI: 10.3382/ps.0050209