TABLE 3.
Chemical composition of silages ensiled for 90 days1.
WSC | CP | NH3-N | NDF | ADF | |
Site2 | (g/kg DM) | (g/kg DM) | (g/kg TN) | (g/kg DM) | (g/kg DM) |
TZ | 8.23a | 78.34c | 114.7a | 607.0a | 363.2a |
GL | 4.26bc | 106.7b | 98.1a | 629.9a | 374.5a |
DX | 4.43b | 113.4b | 55.1b | 609.6a | 352.8a |
NQ | 3.14c | 146.5a | 49.6b | 561.7b | 318.5b |
SEM3 | 0.396 | 4.79 | 7.62 | 6.16 | 5.36 |
P-value | |||||
Linear | <0.001 | <0.001 | <0.001 | 0.001 | <0.001 |
Quadratic | 0.003 | 0.591 | 0.161 | <0.001 | 0.009 |
a−cMeans within a column without a common superscript letter differ. 1DM, dry matter; WSC, water-soluble carbohydrate; CP, crude protein; NH3-N, ammonia nitrogen; TN, total nitrogen; NDF, neutral detergent fiber (NDF assayed with a heat stable amylase and expressed inclusive of residual ash); ADF, acid detergent fiber. 2TZ, samples from grassland of Tianzhu County; GL, samples from grassland of Golog Prefecture; DX, samples from grassland of Damxung County; NQ, samples from grassland of Nagqu Prefecture. 3SEM, error of the means.