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BREEDS COMPOSITION IN THE BREEDING MEAT CATTLE BREEDING IN RUSSIA
Molochnoe i miasnoe skotovodstvo, 2021Изучен породный состав и численность племенного скота мясного направления продуктивности в Российской Федерации. На долю мясных пород в мире приходится 40% от всего поголовья крупного рогатого скота. В России специализированное мясное скотоводство как самостоятельную отрасль животноводства начали создавать в начале 30-х годов прошлого века.
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Acta agriculturae Slovenica. Suplement, 2001
Definitions of the term breed differ and are usually very general. They do not include any objective measurement to undoubtedly define any group of domestic animals as a breed. Also information on the origin of breeds is often very superficial; and data on the origin of the Lipizzan horse presented in the article prove that.
Andrej ŠALEHAR +3 more
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Definitions of the term breed differ and are usually very general. They do not include any objective measurement to undoubtedly define any group of domestic animals as a breed. Also information on the origin of breeds is often very superficial; and data on the origin of the Lipizzan horse presented in the article prove that.
Andrej ŠALEHAR +3 more
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, 2018 Abstract This chapter describes the main and minor cultivars, as well as other species and botanical varieties, of pineapple. The genetics and breeding system, including cytogenetics, selection, and rogueing, are discussed. Considerations in hand pollination, seed handling, germination and nursery management are also mentioned.
Sanewski, G. M. +2 more
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To breed, or not to breed? Predation risk induces breeding suppression in common voles
Oecologia, 2012Breeding suppression hypothesis (BSH) predicts that, in several vole species, females will suppress breeding in response to high risk of mustelid predation; compared to breeding females, suppressing females would gain higher chances of survival. Seminal evidence for BSH was obtained in the laboratory, but attempts to replicate breeding suppression ...
Jochym, M., Halle, S.
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Trends in Plant Science, 2003
Breeding by Design is a concept that aims to control all allelic variation for all genes of agronomic importance. This concept can be achieved through a combination of precise genetic mapping, high-resolution chromosome haplotyping and extensive phenotyping. Thanks to marker technology, software tools and the know-how available today, this goal can now
Johan D, Peleman +1 more
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Breeding by Design is a concept that aims to control all allelic variation for all genes of agronomic importance. This concept can be achieved through a combination of precise genetic mapping, high-resolution chromosome haplotyping and extensive phenotyping. Thanks to marker technology, software tools and the know-how available today, this goal can now
Johan D, Peleman +1 more
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Science, 2014
I read with interest the In Depth story “Racing for disaster?” (A. Gibbons, 13 June, p. [1213][1]) on breeding thoroughbreds for speed, and the concerns about inbreeding and the resulting shrinkage of the gene pool. As Gibbons points out, such selection for speed generally involves putting 3-year-old stallions out to stud after winning one or more high-
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I read with interest the In Depth story “Racing for disaster?” (A. Gibbons, 13 June, p. [1213][1]) on breeding thoroughbreds for speed, and the concerns about inbreeding and the resulting shrinkage of the gene pool. As Gibbons points out, such selection for speed generally involves putting 3-year-old stallions out to stud after winning one or more high-
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2018
Abstract This chaptr focuses on the achievements of tomato breeding in the past century and the developments in fundamental and applied tomato research, breeding goals and the importance of biotechnology in the development of transgenic lines.
van Heusden, S., Lindhout, P.
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Abstract This chaptr focuses on the achievements of tomato breeding in the past century and the developments in fundamental and applied tomato research, breeding goals and the importance of biotechnology in the development of transgenic lines.
van Heusden, S., Lindhout, P.
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2008
The olive (Olea europaea L.) is, at the same time, one of the most ancient domesticated fruit trees and the most extensively cultivated fruit crop in the world, covering an area of about 7.5 million hectares. The recent diffusion of olive outside its traditional area of cultivation, the Mediterranean basin, together with a continu- ous trend in the ...
Andrea Fabbri +2 more
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The olive (Olea europaea L.) is, at the same time, one of the most ancient domesticated fruit trees and the most extensively cultivated fruit crop in the world, covering an area of about 7.5 million hectares. The recent diffusion of olive outside its traditional area of cultivation, the Mediterranean basin, together with a continu- ous trend in the ...
Andrea Fabbri +2 more
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2009
Backcross breeding enables breeders to transfer a desired trait such as a transgene from one variety (donor parent, DP) into the favored genetic background of another (recurrent parent, RP). If the trait of interest is produced by a dominant gene, this process involves four rounds of backcrossing within seven seasons.
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Backcross breeding enables breeders to transfer a desired trait such as a transgene from one variety (donor parent, DP) into the favored genetic background of another (recurrent parent, RP). If the trait of interest is produced by a dominant gene, this process involves four rounds of backcrossing within seven seasons.
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II. Breeds and breeding practices
New Zealand Journal of Crop and Horticultural Science, 1979A national questionnaire of farms with pigs, carried out in April 1977, was used as a source of data on the extent of use of purebred v. homebred stock in commercial herds, the fate and average age of performance‐tested boars, the extent of crossbreeding, and the identity of breeds and ...
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