The chemical composition and ruminal degradation of the protein and fibre of tetraploid Robinia pseudoacacia harvested at different growth stages
Journal Title: Journal of Animal and Feed Sciences - Year 2012, Vol 21, Issue 1
Abstract
Samples of leaves, stems and whole plant of tetraploid Robinia pseudoacacia harvested at four different growth stages (first rapid growth, slow growth, second rapid growth, and leaf-colour changing) were analysed for chemical composition and in situ disappearance of protein and fibre using the nylon bag technique. The crude protein content was the highest in leaves, followed by whole plant, and the lowest in stems, while the opposite trend was found for dry matter, NDF, and ADF. Moreover, the crude protein content of the three plant parts decreased during maturation. Effective degradability of crude protein was higher for stems (519.0 g kg-1) than for whole plant (353.6 g kg-1) and leaves (270.4 g kg-1). Effective degradability of ADF was significantly higher in leaves than in the whole plant and stems. Ruminal disappearance of nutrients in the three plant parts was higher during the first rapid growth stage than at later stages
Authors and Affiliations
G. J. Zhang, Y. Li, Z. H Xu, J. Z. Jiang, F. B. Han, J. H. Liu
Keywords
Related Articles
- EP ID EP76043
- DOI -
- Views 88
- Downloads 0
The effects of type of protein and fibre fermented in vitro with different pig inocula on short-chain fatty acids and amines concentrations
In an in vitro experiment with pig inoculum, the main and interactive effects of type of protein and fibre on the concentrations of short-chain fatty acids (SCFA) and amines as the end products of fermentation and proteo...
The chemical composition and ruminal degradation of the protein and fibre of tetraploid Robinia pseudoacacia harvested at different growth stages
Samples of leaves, stems and whole plant of tetraploid Robinia pseudoacacia harvested at four different growth stages (first rapid growth, slow growth, second rapid growth, and leaf-colour changing) were analysed for che...
Effect of hen diet supplemented with 25-OH-D3 on the development of small intestinal morphology of chick
The effect of hen dietary 25-OH-D3 (added 3000 IU to control diet with 1000 IU) on the morphological changes of the small intestine of Ovambo chicks during prehatch and posthatch period was investigated. After 2 week fe...
The quality of different mono- and dicalcium phosphates estimated on the basis of their crystalline phases, chemical composition, solubility, and biological parameters of broiler chickens
The quality of five commercial monocalcium phosphates (MCP) and dicalcium phosphates with natural admixtures of hydrated and dehydrated forms was assessed on the basis of their crystalline phases determined by roentgenog...
Responses of mammary amino acid metabolism and aminopeptidase N gene expression to duodenal soyabean small peptides and infusion of free amino acids in lactating goats
The duodenal perfusion technique was used to determine whether small peptides were more effective than free amino acids (FAA) for milk protein synthesis and to investigate the effects of infusing soyabean small peptides...