Cryopreservation of common carp (Cyprinus carpio) sperm in 1.2 and 5 ml straws and occurrence of haploids among larvae produced with cryopreserved sperm

被引:37
作者
Horvath, Akos
Miskolui, Edit
Mihalffy, Szilvia
Osz, Katalin
Szabo, Krisztian
Urbányi, Bela
机构
[1] Szent Istvan Univ, Dept Fish Culture, Fac Agr & Environm Sci, H-2103 Godollo, Hungary
[2] Eotvos Lorand Univ, Fac Sci, Dept Systemat Zool & Ecol, H-1117 Budapest, Hungary
[3] Hungarian Fish Farmers Assoc, Dinnyes Fish Hatchery, H-1126 Budapest, Hungary
关键词
common carp; sperm; cryopreservation; 1.2 ml straws; 5 ml straws; egg volume; larval malformation; chromosomes; haploids; diploids;
D O I
10.1016/j.cryobiol.2007.02.003
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Experiments were carried out on the cryopreservation of common carp (Cyprinus carpio) sperm in order to test the suitability of using 1.2 and 5 ml straws and to investigate the ploidy of malformed larvae found among the hatched progeny. In the first set of experiments, the effect of freezing time was investigated on the hatch rate of embryos. The highest hatch rate for 1.2 ml straws was 69 +/- 16% at the freezing time of 4 min, and 39 +/- 27% for 5 ml straws at 5 min. In the second set, the effect different egg volumes fertilized with one straw of sperm on the hatch rate and the rate of malformed larvae was investigated. The highest hatch rate with 1.2 ml straws (86 +/- 12%) was observed when 10 g of eggs were fertilized with one straw, whereas with 5 ml straws the hatch rate was highest (65 +/- 18%) when 40 g of eggs were fertilized. The highest rate of malformed larvae (15 +/- 9%) was found in the control, whereas the highest rate of malformed larvae among the groups fertilized with cryopreserved sperm (13 +/- 7%) was found in the 1x dose group fertilized with 5 ml straw. The chromosome numbers of malformed larvae were investigated and haploids were found among those hatched from eggs fertilized with cryopreserved sperm whereas only diploids were found in the controls. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:251 / 257
页数:7
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