GYNOGENESIS IN COMMON CARP (CYPRINUS-CARPIO L) .2. THE PRODUCTION OF HOMOZYGOUS GYNOGENETIC CLONES AND F1 HYBRIDS

被引:160
作者
KOMEN, J [1 ]
BONGERS, ABJ [1 ]
RICHTER, CJJ [1 ]
VANMUISWINKEL, WB [1 ]
HUISMAN, EA [1 ]
机构
[1] AGR UNIV WAGENINGEN,DEPT EXPTL ANIM MORPHOL & CELL BIOL,6700 HB WAGENINGEN,NETHERLANDS
关键词
D O I
10.1016/0044-8486(91)90015-Y
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Homozygous gynogenetic fry of common carp (Cyprinus carpio L.) were produced by heat-shocking eggs, activated with UV-irradiated sperm (1:3 diluted, 10 ml, at 2200 J m-2 min-1) during metaphase of the first mitosis. Consistent yields of 5-15% viable, gynogenetic fry were obtained when eggs were shocked at 40-degrees-C for 2 min, 28-30 min after fertilization. The homozygous nature of the gynogenetic fry was demonstrated by the mendelian segregration patterns of three recessive mutant pigment genes. Homozygous inbred strains were produced by heterozygous gynogenetic reproduction (second polar body retention) of homozygous gynogenetic females, while F1 hybrids were produced by crossing these females with homozygous gynogenetic male siblings. The clonal nature of these strains was unequivalently demonstrated by the acceptance of was unequivocally demonstrated by the acceptance of reciprocally exchanged skin allografts.
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页码:127 / 142
页数:16
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