Table 1
The ingredients and chemical composition of experimental diets

Diets

Reference diet

Hydrolyzed skin

Sheep

Alpaca

Ingredients, %

 Fish meal

44.00

 Sheep skins hydrolysates

29.61

 Alpaca skins hydrolysates

29.61

 Soybean meal full fat

24.40

 Corn meal

8.00

 Wheat middlings

14.00

 Fish oil

8.00

 Common salt

0.30

 Marker (Hyflo Super Cel®)1

1.00

0.30

0.30

 Premix2

0.30

0.09

0.09

 Reference diet

70.00

70.00

 Total

100.00

100.00

100.00

Analyzed composition (%)

 Dry matter

93.8

93.7

92.9

 Organic matter

91.3

91.6

92.3

 Crude protein

39.9

46.2

50.0

 Crude fat

24.1

23.1

19.8

 Ash

8.7

8.4

7.7

 Gross energy3

5.41

5.49

5.42