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Table 2 Chemical proximal composition and gross energy of HSS and HSA

From: Nutritive value and digestibility of macronutrients from sheep and alpaca skin hydrolysates as a new alternative in juvenile rainbow trout (Oncorhynchus mykiss) feeding

Hydrolyzed skin

Proximal Composition, %

Gross energy, Kcal/g

Dry matter

Organic matter

Crude protein

Crude fat

Ash

Sheep (HSS)

94.9 ± 1.03

92.6b ± 1.44

69.2b ± 7.23

12.0a ± 1.55

7.4ª ± 1.44

5.79ª ± 0.01

Alpaca (HSA)

94.5 ± 0.98

95.2ª ± 1.00

76.7a ± 9.11

7.0b ± 1.41

4.8b ± 1.00

5.41b ± 0.03

p value

0.318

0.001

0.014

0.001

0.001

0.001

  1. Means with different letters in the same column differ significantly at p < 0.05