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Table 6 Nitrogen balance of sheep fed the different diets1)

From: Effect of feeding a by-product feed-based silage on nutrients intake, apparent digestibility, and nitrogen balance in sheep

Item

Diet with

SE

Rye straw

BF-based silage2)

Intake (g/d)

15.7a

22.6b

0.1

Excretion (g/d)

Fecal

4.9a

6.8b

0.2

Urinary

7.9a

12.1b

0.2

Total

12.8a

18.8b

0.3

Absorption (g/d)

10.8a

15.9b

0.2

Retention

g/d

2.9a

3.8b

0.3

% intake

18.4

16.8

1.6

% absorbed

26.7

24.0

2.1

  1. 1)Means of 6 observations
  2. 2)BF-basedsilage was by-product feed-based silage, which was composed of 45 % spent mushroom substrate, 21 % recycled poultry bedding, 11 % rye straw, 10.8 % rice bran, 10 % corn taffy residue, 1.0 % protected fat, 0.6 % bentonite, and 0.6 % microbial additive, and ensiled for 30 d
  3. a,bMeans with different superscripts within the same row are significantly different (p < 0.05)
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Journal of Animal Science and Technology

ISSN: 2055-0391