REVIEW PAPER
Critical aspects of feed protein evaluation systems for ruminants
 
 
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MTT Agrifood Research Finland, FIN-31600 Jokioinen
 
 
Publication date: 2005-06-21
 
 
Corresponding author
P. Huhtanen   

MTT Agrifood Research Finland, FIN-31600 Jokioinen
 
 
J. Anim. Feed Sci. 2005;14(Suppl. 1):145-170
 
KEYWORDS
ABSTRACT
The current feed protein evaluation systems taking into account the amount of amino acids absorbed from the small intestine are critically reviewed. Especially the differences in the concepts of estimating protein values and limitations of techniques used to estimate parameter values are discussed. Validation of different approaches to estimate the microbial component of metabolizable protein using data from production experiments was conducted. The review is focused on empirical models based on factorial approaches. In the future, the mechanistic models, which can better take into account interactions in the digestive tract and tissue metabolism, should be developed.
 
CITATIONS (12):
1.
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Ji Young Yang, J. Seo, H. J. Kim, S. Seo, Jong K. Ha
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2.
Production responses of lactating dairy cows fed silage-based diets to changes in nutrient supply
Pekka Huhtanen, Juha Nousiainen
Livestock Science
 
3.
Effect of Thermal Processing on Estimated Metabolizable Protein Supply to Dairy Cattle from Camelina Seeds: Relationship with Protein Molecular Structural Changes
Quanhui Peng, Nazir A. Khan, Zhisheng Wang, Xuewei Zhang, Peiqiang Yu
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4.
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The Journal of Agricultural Science
 
5.
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Animal Feed Science and Technology
 
6.
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Peter Lebzien, Andrea Riemeier, Gerhard Flachowsky
Archives of Animal Nutrition
 
7.
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J.L. Firkins, Z. Yu, M. Morrison
Journal of Dairy Science
 
8.
A meta-analysis of the effects of dietary protein concentration and degradability on milk protein yield and milk N efficiency in dairy cows
P. Huhtanen, A.N. Hristov
Journal of Dairy Science
 
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Teja Kaswari, Peter Lebzien, Gerhard Flachowsky, Meulen ter
Animal Feed Science and Technology
 
10.
Invited review: Nitrogen in ruminant nutrition: A review of measurement techniques
A.N. Hristov, A. Bannink, L.A. Crompton, P. Huhtanen, M. Kreuzer, M. McGee, P. Nozière, C.K. Reynolds, A.R. Bayat, D.R. Yáñez-Ruiz, J. Dijkstra, E. Kebreab, A. Schwarm, K.J. Shingfield, Z. Yu
Journal of Dairy Science
 
11.
Effect of Wilting and Lactic Acid Bacteria Inoculant On in situ and in vitro Determined Protein Value of Grass Silages
C. Rupp, E. Westreicher-Kristen, A. Susenbeth
Animal Feed Science and Technology
 
12.
The Potential of Using Temperate–Tropical Crossbreds and Agricultural by-Products, Associated with Heat Stress Management for Dairy Production in the Tropics: A Review
Predith Michael, Cruz de, Nor Mohd, Saadiah Jamli, Goh Meng
Animals
 
ISSN:1230-1388
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