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Microbial protein synthesis in the rumen when fed by species-rich grassland growths of organic farming
Project
Project code: 2806OE139
Contract period: 01.05.2007
- 30.04.2009
Budget: 73,981 Euro
Purpose of research: Applied research
In the ecologically oriented ruminant feeding is to increase efficiency of N utilization of particular importance, especially as egg white or components not only in the limited dimensions available. The production is ecologically and economically produced on greatly depending on the grassland forage quality. The aim of the project is through controlled feeding studies to determine the significance of species-rich grassland herbage for nutrient recovery and protein synthesis in the rumen in vivo. There will be two variants tested comparing swards that differ in terms of their biodiversity. Option 1 represents a species-rich sward with legume and herb share of 30-35%, compared to species-poor variant 2, whose grass-dominated scar and therefore to be understood as a control variant. The demand-supply of protein from ruminants, especially dairy cows is, a precise knowledge of the amount of usable crude protein at the duodenum in flooded (nXP) ahead. Through the combination of direct and indirect in vivo measurements to ruminal microbial protein synthesis, the proportion of undegraded feed protein and postruminale N availability can be derived. The aim of the project is through controlled feeding studies to determine the significance of species-rich grassland herbage for nutrient recovery and protein synthesis in the rumen in vivo.
Section overview
Subjects
- Animal nutrition
Framework programme
Federal Organic Farming Scheme and other forms of sustainable agriculture (BÖLN)
