Diets (%)

 Dry matter (DM)

71.0 ± 1.00

70.0 ± 1.54

70.4 ± 1.88

0.740

 Organic matter (OM)

75.7 ± 1.31

73.0 ± 1.44

73.4 ± 1.77

0.141

 Crude protein (CP)

92.5^a ± 0.95

83.4^b ± 1.86

82.7^b ± 1.51

0.001

 Crude fat (CF)

92.2^a ± 0.12

78.6^c ± 0.84

87.5^b ± 0.66

0.001

 Gross energy¹ (GE)

80.1^a ± 3.28

73.3^b ± 2.49

74.0^b ± 2.72

0.001

Hydrolyzed skins (%)

 Dry matter

67.7 ± 5.12

69.1 ± 6.23

0.778

 Organic matter

66.9 ± 4.72

68.2 ± 5.73

0.778

 Crude protein

70.4 ± 4.52

70.1 ± 3.46

0.932

 Crude fat

12.3^b ± 4.94

48.0^a ± 6.18

0.001

 Digestible energy¹

3.35 ± 0.33

3.24 ± 0.33

0.460