2.3.3. Measurements
Three categories of performance datawere collected, namely, growth and survival, immune response, and variation of themajor histocompatability complex class I (MHC class I). The measurements for the growth parameters of total length and body weight were made at 5, 10 and 14 weeks of age. Survivors were enumerated at 5 and 14 weeks and survival rates were calculated accordingly. The stocking density was equalized to 80 fish/cage after the enumeration at week 5.