Skip to main content

Advertisement

Table 3 Genetic parameters for the variance of harvest weight, length, depth, and width

From: Genetic parameters for uniformity of harvest weight and body size traits in the GIFT strain of Nile tilapia

Parameter Harvest weight Length Depth Width
a \( \upsigma _{{{\text{A}}_{ } }}^{2} \) 0.343 (0.068) 0.156 (0.041) 0.184 (0.042) 0.203 (0.048)
\( \upsigma _{{{\text{e}}_{ } }}^{2} \) 1.747 (0.034) 1.924 (0.038) 1.862 (0.036) 1.696 (0.033)
b \( \upsigma _{{{\text{g}}_{ } }}^{2} \) 0.040 (0.021) 0.031 (0.021) 0.031 (0.018) 0.073 (0.020)
c \( \upsigma _{{{\text{k}}_{ } }}^{2} \) 0.078 (0.027) 0.098 (0.029) 0.022 (0.023) 0.062 (0.023)
d \( \upsigma _{{{\text{m}}_{ } }}^{2} \) 0.009 (0.009) 0.023 (0.011)
e \( {\text{GCV}}_{{{\text{V}}_{\text{e}} }} \) 0.58 0.39 0.42 0.45
  1. Standard errors are indicated between brackets
  2. aAdditive genetic variance was calculated as four times the sire-dam variance
  3. bGroup variance
  4. cKin variance
  5. dSocial maternal variance
  6. eGenetic coefficient of variation at variance level