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  1. 1 Biotechnologia

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  1. 1 1993

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  1. 1 Switonski M.

  2. 1 Szwaczkowski T.

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Genetic gain in livestock populations and application of modern biotechniques of gametes and embryons

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Szwaczkowski T., Switonski M.
Biotechnologia
|
1993
|
issue 2
46-54
EN
The objective of this paper was to present an influence of some new biotechnologies on the increase of the livestock genetic gain. The effects of the following biotechniques were discussed: embryo transfer, multiple ovulation, in vitro fertilization of oocytes, embryo and semen sexing,cloning as well as creating transgenic animals. Application of these biotechniques increases selection intensity and descreases genetic variability (except for creating transgenic individuals). Moreover, modification of classical models of evaluation of the genetic value of animals is necessary.
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