Research Article
Dietary Supplementation of Astragalus membranaceus Extract Affects Growth Performance, Antioxidant Capacity, Immune Response, and Energy Metabolism of Largemouth Bass (Micropterus salmoides)
Table 2
Growth performance, feed efficiency, and morphological parameters of M. salmoides fed diets supplemented with different levels of AME.
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
aIntial body weight (IBW, g) = initial total body weight/initial number of fish; bFinal body weight (FBW, g) = final total body weight/final number of fish; cSurvival rate (SR, %) = 100 × final number of fish/initial number of fish; dFeed intake (FI, g fish−1) = 100 × total feed intake/final number of fish; eWeight gain rate (WG, %) = 100 × (final body weight–initial body weight)/initial body weight; fSpecific growth rate (SGR, % day−1) = 100 × (ln (final body weight)–ln (initial body weight))/feeding days; gFeed conversion ratio (FCR) = weight of feed consumed/weight gain; hProtein efficiency rate (PER) = 100 × (final total body weight–initial total body weight)/(total feed intake × protein proportion in feed); iCondition factor (CF, g cm−3) = 100 × body weight/body length3; jViscerosomatic index (VSI, %) = 100 × viscera weight/whole body weight; kHepatosomatic index (HSI, %) = 100 × liver weight/whole body weight. Values are means ± SEM of three replications. Means in the same row with different superscripts are significantly different (). |