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Volume 44, issue 6
Arch. Anim. Breed., 44, 671–676, 2001
https://doi.org/10.5194/aab-44-671-2001
© Author(s) 2001. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 44, 671–676, 2001
https://doi.org/10.5194/aab-44-671-2001
© Author(s) 2001. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2001

10 Oct 2001

Einfluss von Inzucht und Selektion auf die Fruchtbarkeit und das Wachstum der Maus

B. Sallah Issa1 and G. Seeland2 B. Sallah Issa and G. Seeland
  • 1Fakultät für Landwirtschaft der Universität Damaskus, P.O. Box 30621, Syrien
  • 2Humboldt Universität zu Berlin, Landwirtschaftlich-Gärtnerische Fakultät Institut für Nutztierwissenschaften, Fachgebiet Züchtungsmethodik und Züchtungsplanung, lnvalidenstr. 42, 10115 Berlin, Germany

Abstract. Title of the paper: Effect of inbreeding and selection on fertility and growth in mice
The experiment comprised 3 lines of outbred mice: An inbred line without selection (1), an inbred line with selection (2) and a non inbred control line with random mating (3). In line 1 and 2 half sister mating was used. In line 2, 20 % of the females are selected for litter size and stillbirths of their dam. The males are selected at two stages: 50 % for body weight at the age of 10 days and 50 % for body weight at the age of 21 days. Inbreeding depressions seems to depend non linear on the degree of inbreeding. Selection within the line 2 could compensate inbreeding depression for fertility and growth. Epistatic effects and natural selection are discussed as a cause of the non linear inbreeding depression.

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