Evaluation of use effective microorganisms (EM) with different feeding strategies on growth performance, body chemical composition and economic efficiency of monosex Nile tilapia Oreochromis niloticus juveniles

Special Issue - Ecological intensification: A new paragon for sustainable aquaculture

Free Access

Table 6

Effect of EM Supplemented on body chemical composition of tilapia juveniles.

Items & Treatments	Dry matter (DM, %)	Crude protein (CP, %)	Ether extract (EE, %)	Ash, %	Gross energy (GE, KJ/g)
Start	22.20 ± 2.00	69.30 ± 0.50	8.47 ± 0.40	21.83 ± 04	19.72 ± 0.2
Effect of EM on body chemical composition regardless feeding regime
A (0% EM)	27.94^ab ± 0.30	54.55^b ± 0.35	33.33^a ± 0.42	12.10 ± 0.19	26.11^a ± 0.10
B (2% EM)	28.31^a ± 0.07	55.90^a ± 0.45	31.86^b ± 0.21	12.23 ± 0.36	25.84^ab ± 0.08
C (4% EM)	27.15^b ± 0.33	55.19^ab ± 0.20	31.83^b ± 0.31	12.94 ± 0.22	25.67^b ± 0.09
LSD^*	0.85	1.34	1.06	0.85	0.302
Effect of feeding regime on body chemical composition regardless EM
2/3 of the meal at the morning	27.25 ± 0.31	55.31 ± 0.36	32.09 ± 0.34	12.59 ± 0.26	25.80 ± 0.09
2/3 of the meal at the afternoon	27.85 ± 0.28	55.12 ± 0.35	32.59 ± 0.43	12.28 ± 0.25	25.90 ± 0.11
LSD^*	0.76	0.93	0.99	0.66	0.26
Effect of interaction between EM and feeding regime on body chemical composition
(A1)	27.70 ± 0.62	54.88 ± 0.71	32.73^ab ± 0.60	12.39^ab ± 0.11	25.95^ab ± 0.07
(A2)	28.18 ± 0.25	54.23 ± 0.21	33.94^a ± 0.02	11.82^b ± 0.23	26.28^a ± 0.06
(B1)	28.44 ± 0.00	55.92 ± 0.84	32.02^b ± 0.47	12.05^ab ± 0.36	25.92^b ± 0.01
(B2)	28.18 ± 0.00	55.88 ± 0.75	31.70^b ± 0.00	12.42^ab ± 0.75	25.77^bc ± 0.17
(C1)	27.13 ± 0.42	55.13 ± 0.49	31.53^b ± 0.64	13.33^a ± 0.15	25.54^c ± 0.14
(C2)	27.19 ± 0.70	55.25 ± 0.05	32.14^b ± 0.05	12.60^ab ± 0.10	25.81^bc ± 0.03
LSD^*	1.490	2.020	1.410	1.260	0.350

Values are means ± S.E. of triplicate groups of three tank, (a, b, c,) Average in the same column having different superscripts significantly different at (P ≤ 0.05).

*Least significant difference.

A1: fish fed a control diet with 2/3 of amount daily meal in the morning, A2: fish fed a control diet with 2/3 of amount daily meal in the afternoon, B1 fish fed dietary 2% EM supplemented with 2/3 of amount daily meal in the morning, B2: fish fed dietary 2% EM supplemented with 2/3 of amount daily meal in the afternoon, C1: fish fed dietary 4% EM supplemented with 2/3 of amount daily meal in the morning and C2: fish fed dietary 4% EM supplemented with 2/3 of amount daily meal in the afternoon.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.