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A Compensatory Growth like Analysis of Common Carp Cyprinus carpio L. among Different Combinations in Full Diallel Crossing

A Compensatory Growth like Analysis of Common Carp Cyprinus carpio L. among Different Combinations in Full Diallel Crossing

Shengyan Su, Zaijie Dong*, Wenbin Zhu, Lanmei Wang and Jianjun Fu 

Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China

*      Corresponding author:


A novel method was produced to explore the catch-up like growth from diallel cross-breeding due to its similarity with high growth speed in the later period for common carp Cyprinus carpio L cross-breeding. A compensatory index matrix for 3×3 full diallel cross combinations used for selection was built to investigate compensatory like growth of each combination. Yes/No(Y/N) effect was determined for specific combination dyads, which there were significant differences in body weight at tagging, but no difference in body weight at harvesting. Among the 36 dyads, 7 had an YN response (19.4%). When the YN effect had a fixed accumulated value, the value reflected its compensatory like growth degree, i.e., no catch-up like growth in one group means no YN effect in one group can be detected. Heilongjiang carp ♂ × Jian carp ♀ (Yj) combination had the highest catch-up like growth degree and the Heilongjiang carp ♂ × Heilongjiang carp ♀ (Yy) combination had no compensatory like growth. Reference standard was set as arithmetic progression in 5% each step for the whole group (e.g. 5%, 10%, 15%, etc.) Compared the harvesting weight and weight gain, significant differences were found between non-compensatory like growth and compensatory like growth group on all levels except the 25% level. Particularly, the 35% level had the biggest compensatory like growth. Body shape changed during the compensatory like growth process. This study shows that compensatory like growth of body weight during the cross-breeding can be detected and quantified.

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Pakistan Journal of Zoology (Associated Journals)


Vol. 49, Iss. 5, Pages 1547-1936


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