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Table 1 Proximate composition and pepsin digestibility of feather meal CFM, K6FM, K82FM, K6:K82FM and CMFM

From: In vitro and in vivo evaluation of protein quality of enzymatic treated feather meals

Treatment

Fat ball (kg)

Crude fat (%)

Crude protein (%)

Ash (%)

Moisture (%)

Energy (Cal/100 g)

Pepsin digestibility (%)

CFM

204a

11.3a

81.4c

2.46a

2.14d

438a

70a

K6FM

186c

9.55c

80.6c

2.14b

5.38a

418c

60c

K82FM

115e

7.4e

88.6a

1.52d

1.25e

426b

61c

K6:K82FM (5:1)

192b

8.27d

84.9b

2.0c

3.11b

421c

63b

CMFM (commercial)

130d

11.5b

81.4c

1.95c

2.82c

438a

68a

  1. CFM = non-enzymatically treated feather meal; K6FM = K6 keratinase treated feather meal; K82FM = K82 keratinase treated feather meal; K6:K82FM = K6and K82 keratinase (5:1) treated feather meal; and CMFM = commercial enzyme treated feather meal
  2. a,b,c,d,eMeans within a column with different superscripts differ significantly (P < 0.05)