Mixed leaf meal supplemented with exogenous enzyme and limiting amino acids can completely replace DORB (de-oiled rice bran) in the diet of Labeo rohita

Anakhy Mondal; Parimal Sardar; Manish Jayant; Shamna N; Gopika Radhakrishnan; Prasanta Jana; Narottam Prasad Sahu

doi:10.1051/alr/2022007

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Volume 35 (2022)

Aquat. Living Resour., 35 (2022) 7

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Table 4

Growth, nutrient utilization, survival, body indices and apparent digestibility coefficients of Labeo rohita fingerlings fed with different experimental diets for the period of 60 days.

Experimental group	C	LM20	LM40	CE	LM20E	LM40E	p-value
Fn. wt.¹(g)	5.57^a ± 0.04	5.93^bc ± 0.05	5.59^a ± 0.07	5.77^b ± 0.05	6.40^d ± 0.08	6.05^c ± 0.04	<0.001
WG² %	68.05^a ± 1.16	74.22^b ± 1.08	67.27^a ± 1.00	70.27^a ± 0.80	88.65^c ± 1.97	76.17^b ± 0.30	<0.001
SGR³	0.82^a ± 0.01	0.93^c ± 0.01	0.82^a ± 0.02	0.88^b ± 0.01	1.06^d ± 0.02	0.96^c ± 0.02	<0.001
FCR⁴	2.30^e ± 0.03	2.10^c ± 0.01	2.20^d ± 0.01	2.14^c ± 0.02	1.90^a ± 0.02	2.01^b ± 0.02	<0.001
PER⁵	1.39^a ± 0.02	1.54^b ± 0.01	1.40^a ± 0.01	1.43^a ± 0.01	1.60^c ± 0.02	1.54^b ± 0.01	<0.001
HSI⁶	1.36 ± 0.21	1.11 ± 0.11	1.16 ± 0.14	1.22 ± 0.08	0.93 ± 0.09	1.04 ± 0.12	0.305
ISI⁷	4.17^b ± 0.13	4.32^b ± 0.24	4.34^b ± 0.16	3.50^a ± 0.20	3.74^ab ± 0.24	3.30^a ± 0.20	0.001
Survival (%)	100.00	100.00	100.00	100.00	100.00	100.00	-
Apparent digestibility coefficients
ADCDM⁸	64.39 ± 0.32	62.80 ± 0.57	64.24 ± 0.83	65.10 ± 1.03	68.10 ± 0.49	65.55 ± 0.36	0.243
ADCCP⁹	77.62 ± 1.37	80.25 ± 0.61	79.23 ± 1.52	78.99 ± 0.93	82.56 ± 0.35	80.55 ± 0.84	0.167
ADCEE¹⁰	94.25 ± 0.15	94.34 ± 0.30	94.59 ± 0.35	93.45 ± 0.23	94.15 ± 0.35	94.34 ± 0.40	0.359

Data are expressed as mean ± SE (n = 3); Mean values in the same row with different superscripts differ significantly (p < 0.05).

¹Fn. wt., final body weight;

²WG, weight gain;

³SGR, specific growth rate;

⁴FCR, feed conversion ratio;

⁵PER, protein efficiency ratio;

⁶HSI, hepato-somatic index;

⁷ISI, intestine somatic index;

⁸ADCDM, apparent digestibility coefficient of dry matter;

⁹ADCCP, apparent digestibility coefficient of crude protein;

¹⁰ADCEE, apparent digestibility coefficient of ether extract.

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