Genetic background of performance and functional traits in mink

• Autorzy: Rozempolska-Rucinska I.
• Języki publikacji: EN

Abstrakty

EN

The material comprised the data on 12 generations of animals collected from the breeding documentation of a standard mink reproduction farm. Reproduction and conformation traits covariance components were estimated by means of the REML method based on a multitrait animal model, using the DMU software package. Estimated heritability coefficients demonstrate a low additive effect of animal on the discussed traits. Particularly low values of this index were related to litter sizes at birth and at weaning. As to the conformation traits, the heritability coefficients remained between 0.116 and 0.218. Additive maternal effect on the level of reproduction and conformation traits was also estimated in the studies. The value of the parameter was about twice as high as the genetic variability resulting from the additive value of an individual and ranged from 0.037 to 0.202.

Słowa kluczowe

EN

reproduction; animal production; body size; fecundity; functional trait; standard mink; reproduction farm; genetic variability; mink; performance; female; REML method; breeding documentation

• Wydawca: -
• Czasopismo: Electronic Journal of Polish Agricultural Universities. Series Animal Husbandry
• Rocznik: 2004
• Tom: 07
• Numer: 2
• Opis fizyczny: http://www.ejpau.media.pl/series/volume7/issue2/animal/art-03.html

Twórcy

autor

Rozempolska-Rucinska I.

• Agricultural University of Lublin, Akademicka 13, 20-950 Lublin, Poland

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