NDLI: SELECTIVE BREEDING PROGRAM ON GIANT FRESHWATER PRAWN ( Macrobrachium rosenbergii ) FOR GROWTH RATE

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SELECTIVE BREEDING PROGRAM ON GIANT FRESHWATER PRAWN ( Macrobrachium rosenbergii ) FOR GROWTH RATE

Content Provider	Semantic Scholar
Author	Hùng, Đinh Văn
Copyright Year	2013
Abstract	The giant freshwater prawn (Macrobrachium rosenbergii) or GFP is one of the most important freshwater crustacean species in the inland aquaculture sector of many tropical and subtropical countries. In Vietnam, GFP is cultured in a variety of culture systems, typically in integrated or rotational rice-prawn culture (Phuong et al., 2006) and has become one of the most common farmed aquatic species in the country, due to its ability to grow rapidly and to attract high market price and high demand. This study reports results on the breeding program for fast growth employing combined (between and within) family selection in giant freshwater prawn in Vietnam. The base population was synthesized using a complete diallel cross including 9 crosses from two local stocks (DN and MK strains) and a third exotic stock (Malaysian strain MY). In the next three selection generations, matings were conducted between genetically unrelated brood stock to produce full-sib and (paternal) half-sib families. Results show that body trait heritabilities were moderate; genetic correlations between body and carcass weight traits were high. Average selection response (% per generation) for body weight estimated as the difference between the Selection and the Control group was 7.4% calculated from least squares means (LSMs), 7.0% from estimated breeding values (EBVs) and 4.4% calculated from EBVs between two consecutive generations.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://fof.hcmuaf.edu.vn/data/file/HNKHTTSTQ%202013/42_%20NTKy%20et%20al-Chon%20giong%20tom%20cang%20xanh.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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