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Table 4 Effect of dietary inclusion of M. piperita with probiotic bacterium B. coagulans on growth performance and intestinal enzyme activities of Catla catla (Experiment 2)

From: Synergistic effects of autochthonous probiotic bacterium and Mentha piperita diets in Catla catla (Hamilton, 1822) for enhanced growth and immune response

Growth rarameters

Dietary treatments

C2

PP1

PP2

PP3

PP4

Initial weight (g)

1.05 ± 0.010

1.03 ± 0.010

1.05 ± 0.010

1.06 ± 0.002

1.03 ± 0.010

Final weight (g)

2.81 ± 0.010C

2.93 ± 0.050BC

3.02 ± 0.060AB

3.21 ± 0.150A

2.78 ± 0.390C

Weight gain (g)

1.75 ± 0.001C

1.90 ± 0.040BC

1.97 ± 0.080AB

2.15 ± 0.010A

1.75 ± 0.040C

Growth % gain in BW

166.53 ± 2.640B

184.27 ± 1.940AB

188.10 ± 9.410AB

202.58 ± 1.340A

169.73 ± 3.220B

Growth per day in BW

1.01 ± 0.010B

1.07 ± 0.010AB

1.07 ± 0.030AB

1.12 ± 0.003A

1.02 ± 0.010B

Specific growth rate (SGR) (% BW d−1)

0.42 ± 0.003B

0.45 ± 0.003AB

0.46 ± 0.020AB

0.48 ± 0.003A

0.43 ± 0.010B

Feed conversion ratio (FCR)

2.76 ± 0.030AB

2.64 ± 0.030C

2.74 ± 0.090AB

2.53 ± 0.020BC

2.84 ± 0.010A

Gross conversion efficiency (GCE)

0.36 ± 0.004B

0.38 ± 0.004AB

0.37 ± 0.010B

0.40 ± 0.003A

0.35 ± 0.002B

Protein efficiency ratio (PER)

0.04 ± 0.003C

0.05 ± 0.001BC

0.05 ± 0.002AB

0.05 ± 0.0003A

0.04 ± 0.001C

Apparent protein digestibility (APD) (%)

74.64 ± 0.490B

77.43 ± 0.640AB

78.37 ± 0.630A

78.96 ± 0.680A

76.62 ± 0.570AB

Protease activity (mg of tyrosine liberated mg of protein−1 h−1)

2.23 ± 0.020C

2.30 ± 0.020B

2.33 ± 0.020B

2.62 ± 0.020A

2.27 ± 0.020BC

Amylase activity (mg of maltose liberated mg of protein−1 h−1)

1.68 ± 0.020D

1.84 ± 0.010E

2.13 ± 0.020B

2.40 ± 0.010A

1.93 ± 0.010C

Cellulase activity (mg of glucose liberated mg of protein−1 h−1)

1.20 ± 0.020E

1.35 ± 0.010D

1.47 ± 0.020C

1.73 ± 0.010A

1.55 ± 0.010B

  1. Weight gain (g) = W2 − W1; Growth % gain in BW = (W2 − W1)/W1 × 100; Growth per day in % BW = {2(W2 − W1)/t(W1 + W2)} × 100; SGR = (ln W2 − ln W1)/t × 100; FCR = Feed Offered (Dry wt.) (g)/Body weight gain (Wet wt.) (g); GCE = Body weight gain (Wet wt.) (g)/Feed Offered (Dry wt.) (g); PER = Wet Weight Gain (g)/Crude protein fed (%)
  2. Where, W1 = Initial Weight (g), W2 = Final Weight (g), Duration of experiment (No. of days)
  3. Note: All values are mean ± S.E. of mean. Values with different superscript in the same row are significantly (P < 0.05) different (Tukey’s honest test)