Total replacement of soybean meal by rice distilled dried grain soluble (DDGS) with lysine supplementation: effect on growth, nucleic acid content, digestive enzyme activity, and health status in Carp (Cirrhinus mrigala)

Open Access

Table 5

Nucleic acid (DNA and RNA) contents in muscle of C. mrigala juveniles fed with different experimental diets.

Treatments	DNA/muscle mass	Muscle protein/DNA	RNA/muscle mass	RNA/DNA
C	13.68 ± 0.86	2.39^d ± 0.15	46.9^d± 0.73	3.45^bc ± 0.20
D₆	11.86 ± 0.92	3.56^a ± 0.27	40.6^e± 0.80	3.47^bc ± 0.31
D₁₂	13.47 ± 1.23	2.93^abcd ± 0.28	37.4^ef± 1.51	2.83^cd ± 0.32
D₁₈	12.81 ± 0.91	2.48^d ± 0.16	35.5^f± 0.85	2.80^cd ± 0.21
D₂₄	12.75 ± 0.39	2.54^cd ± 0.07	29.2^g± 1.40	2.28^d ± 0.06
D₃₀	12.04 ± 0.90	2.54^cd ± 0.19	25.0^h± 0.40	2.10^d ± 0.18
CL	12.63 ± 1.05	3.29^ab ± 0.26	57.7^a± 1.13	4.62^a ± 0.34
D₆L	13.68 ± 0.95	3.19^ab ± 0.21	51.8^c± 0.34	3.82^ab ± 0.24
D₁₂L	13.68 ± 0.96	3.12^abc ± 0.22	52.9^bc± 0.51	3.91^ab ± 0.29
D₁₈L	12.63 ± 0.05	3.23^ab ± 0.01	53.6^bc± 1.45	4.24^ab ± 0.11
D₂₄L	13.68 ± 0.24	3.01^abcd ± 0.06	54.2^abc± 1.71	3.96^ab ± 0.14
D₃₀L	14.12 ± 1.01	2.86^bcd ± 0.21	55.7^ab±1.83	3.99^ab ± 0.36
Variation source	Two way ANOVA
Level of rice DDGS	NS	P < 0.05	P < 0.05	P < 0.05
With or without lysine	NS	P < 0.05	P < 0.05	P < 0.05
Interaction	NS	P < 0.05	P < 0.05	P < 0.05

Data are expressed as mean ± S.E. where n = 3.

Mean values in the same column with different superscripts vary significantly (P < 0.05).

Unit: DNA/Muscle mass = µg/g; Protein/DNA = mg/µg; RNA/Muscle = µg/g; RNA/DNA = µg/µg.

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