Concentration and estimated flow of soluble non-ammonia nitrogen entering the omasum of dairy cows as influenced by different protein supplements

Agricultural and Food Science in Finland

Volumn 11, Issue 2, 2002, Pages 79-91

  Chang, Weon Choi ^a   Vanhatalo, Aila ^a   Huhtanen, Pekka ^a  

^a ANIMAL PRODUCTION RESEARCH   (Finland)

Author keywords

Dairy cows; Omasum; Peptides; Protein supplements; Soluble non ammonia nitrogen

Indexed keywords

EID: 0036333096     PISSN: 12390992     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (26)

1. Effects of supplementation of a grass silage and barley diet with urea, rapeseed meal and heat-moisture-treated rapeseed cake on omasal digesta flow and milk production in lactating dairy cows
2. Determination of reticulo-rumen and whole-stomach digestion in lactating cows by omasal canal or duodenal sampling
3. Determination of protein degradation rates using a rumen in vitro system containing inhibitors of microbial nitrogen metabolism
4. Effects of dietary nitrogen source on concentrations of ammonia, free amino acids and fluorescamine-reactive peptides in the sheep rumen
5. A procedure for measuring peptides in rumen fluid and evidence that peptide uptake can be a rate-limiting step in ruminal protein degradation
6. Concentration and estimated flow of peptides from the rumen of dairy cattle. Effects of protein quantity, protein solubility, and feeding frequency
7. Quantitation of the flow of soluble non-ammonia nitrogen entering the omasal canal of dairy cows fed grass silage based diets
8. Effects of several protein supplements on flow of soluble non-ammonia nitrogen from the forestomach and milk production in dairy cows
9. Ruminal nitrogen metabolism in steers as affected by feed intake and dietary urea concentration
10. Determination of digesta flow by continuous marker infusion
11. Synthesis of microbial protein in ruminally cannulated cows fed alfalfa silage, alfalfa hay, or corn silage
12. Effect of defaunating the rumen
13. Effect of protein source on amino acid supply, milk production, and metabolism of plasma nutrients in dairy cows fed grass silage
14. Standardization of procedures for nitrogen fractionation of ruminant feeds
15. The determination of ammonia in whole blood by a direct colorimetric method
16. Processing factors affecting degradability of fish meal in the rumen
17. Nitrogen kinetics
18. Modifying duodenal flow of amino acids by manipulation of dietary protein sources
19. Influence of supplemental protein source and feeding frequency on rumen fermentation and performance in dairy cows
20. Influence of supplemental protein quality on rumen fermentation, rumen microbial yield, forestomach digestion, and intestinal amino acid flow in late lactation Holstein cows
21. Methods for dietary fiber, neutral detergent fiber and non-starch polysaccharides in relation to animal nutrition
22. A comparison of methods for determining the concentration of extracellular peptides in rumen fluid of sheep
23. Effect of slowly and rapidly degraded protein sources on the concentrations of amino acids and peptides in the rumen of steers