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Table 7 Average manure composition on monthly basis

From: The effect of feeding high fat diet to beef cattle on manure composition and gaseous emission from a feedlot pen surface

Parameters

June

July

August

September

October

pH

5.5 a* ± 0.1

5.5 a ± 0.0

5.1 b ± 0.1

5.5 a ± 0.1

5.6 a ± 0.2

Moisture %

76.32 a ± 1.2

76.8 a ± 0.8

73.7 bc ± 1.2

75.3 ab ± 0.3

72.6 c ± 0.2

Ash %

11.3 a ± 1.5

9.0 abc ± 0.8

8.0 c ± 0.6

8.5 bc ± 0.5

11.0 ab ± 5.2

CP %

14.6 a ± 0.6

15.5 ab ± 0.5

16.2 b ± 1.2

15.1 ab ± 0.3

15.0 ab ± 0.9

TN %

2.3 a ± 0.1

2.5 ab ± 0.1

2.6 b ± 0.2

2.4 ab ± 0.0

2.4 ab ± 0.1

NH3-N (mM)

5.2 d ± 0.4

7.3 cd ± 1.9

14.5 a ± 2.5

9.3 bc ± 1.6

12.2 ab ± 5.0

TC (%)

43.8 a ± 0.6

44.4 a ± 0.6

44.1 a ± 0.8

44.2 a ± 0.5

41.5 b ± 3.1

TP %

0.1 a ± 0.0

0.1 a ± 0.0

0.1 a ± 0.0

0.2 a ± 0.0

0.1 a ± 0.0

K %

0.1 a ± 0.0

0.1 a ± 0.0

0.1 a ± 0.0

0.1 a ± 0.0

0.1 a ± 0.0

  1. * Values followed by the same letter in row are not significantly different at P ≤ 0.05; CP Crude protein, TN Total nitrogen, NH 3 -N ammonical nitrogen, TP Total phosphorus, K Potassium, TVFA Total volatile fatty acids, DM Dry matter