Genotype by environment interaction and genetic heterogeneity of environmental variance of body weight at harvest in genetically improved farmed tilapia (Oreochromis niloticus) reared in 3 different countries


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Establishing breeding programs that improve farmed fish performance across multiple environments is crucial in a globalized aquaculture market. The main objectives of the current study were to assess the growth performance of genetically improved farmed tilapia (GIFT) under different environments, across 3 different countries (Malaysia, India, and China), termed genotype by environment interaction (G × E) or macro-environmental sensitivity, and to quantify the genetic heterogeneity of environmental variance for body weight at harvest (BW) in GIFT, as a measure of micro-environmental sensitivity or robustness.

Citation

Journal of Animal Science, 94(Suppl 4): 19-20

DOI

Date available

2016

Publisher

American Society of Animal Science

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