ruminal protein degradation and estimation of rumen microbial protein production
نویسندگان
چکیده
animal agricultural production systems are major sources of nonpoint pollution affecting quality of water sources. nitrogen has been identified as the foremost source of nonpoint water pollution and the potential negative impacts of n have become an area of public concern. protein degradation from feed ingredients is an important factorinfluencing aa supply to the duodenum. ruminal proteolysis determines the amount ofammonia, aa, peptides, and branched-chain vfa available for microbial growth andproliferation. carbohydrates are the main components in the dairy ration, comprising roughly 60 – 80% of total dry matter (dm) and could supply to 70% net energy lactation (nel) for high yielding dairy cows. external markers such as 15n or 35s as well as internal markers such as nucleic acids have been used to determine ruminal microbial protein production
منابع مشابه
Ruminal Protein Degradation and Estimation of Rumen Microbial Protein Production
Animal agricultural production systems are major sources of nonpoint pollution affecting quality of water sources. Nitrogen has been identified as the foremost source of nonpoint water pollution and the potential negative impacts of N have become an area of public concern. protein degradation from feed ingredients is an important factorinfluencing AA supply to the duodenum. Ruminal proteolysis...
متن کاملRuminal Protein Degradation and Estimation of Rumen Microbial Protein Production
Animal agricultural production systems are major sources of nonpoint pollution affecting quality of water sources. Nitrogen has been identified as the foremost source of nonpoint water pollution and the potential negative impacts of N have become an area of public concern. protein degradation from feed ingredients is an important factorinfluencing AA supply to the duodenum. Ruminal proteolysis...
متن کاملEstimation of Rumen Microbial Protein Production and Ruminal Protein Degradation
Title of Dissertation: ESTIMATION OF RUMEN MICROBIAL PROTEIN PRODUCTION AND RUMINAL PROTEIN DEGRADATION. Ashley Brooke Peterson, Doctor of Philosophy, 2006 Dissertation directed by: Professor Richard A. Kohn Department of Animal and Avian Sciences Animal agricultural production systems are a major source of nitrogen (N) which may contribute to potential environmental pollution and one way to re...
متن کاملDose-Response Effects of Various Rumen Microbial Modifier Essential Oils on Protein Degradation Using in vitro Gas Production Technique
The aim of this study was to investigate the effects of various doses of essential oils (EO) of thyme (TEO) or cinnamon (CEO) on in vitro rumen degradation of protein of a commercial total mixed ratio (TMR) containing 16.4% crud protein (CP). Treatments were TMR without any of EOs (control); control plus 25 µL of TEO (TEO25); control plus 50 µL of TEO (TEO50); control plus 25 µL of CEO (CEO25) ...
متن کاملThe estimation of ruminal protein degradation parameters of various feeds using in vitro modified gas production technique
This study was conducted to determine in vitro crude protein degradation (IVDP) parameters and effective crude protein degradability (EPD) of various feeds using the modified in vitro gas production (GP) technique. Feed samples were alfalfa hay, soybean meal, soybean, rapeseed meal, sunflower meal and fish meal. Rumen fluid was collected before the morning feeding from four rumen fistulated lam...
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عنوان ژورنال:
international journal of advanced biological and biomedical researchناشر: casrp publishing company
ISSN 2383-2762
دوره 1
شماره 8 2013
کلمات کلیدی
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