... articleGenotype by environment interaction for adult body weights of shrimp Penaeus vannamei when grown at low and high densitiesAna M. IBARRA1*, Thomas R. FAMULA21Aquaculture Genetics and Breeding ... male and female adult shrimp when grown at low vs. high stocking densities. Grown at SexN Adults mean body weight (g) (SD)Coefficient of variation (%)Range in weights (g) Low density 1241Males ... variance for shrimp in the high density environment, rlhis the additive genetic covariance across the low and high density environments, A is the numerator relationship matrix among all shrimp, and...