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Genetic parameters and genotype by rearing density interactions for growth traits and survival were investigated in Litopenaeus vannamei. A total of 3626 shrimps from 40 families in two densities (low density, 80 shrimps m−2; high density, 160 shrimps m−2) were measured for four growth traits, body length, body weight, cephalothorax length and abdominal segment length. Variance components and genetic...
The inability of Penaeus vannamei to tolerate low temperatures is of major economic concern in temperate climates, as it reduces their growing season and leads to over-winter mortality. In this study, the heritability of body weight and survival under two grow-out temperature conditions, genotype by environment interaction for body weight and survival at different grow-out temperatures, and the heritability...
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