Rumen-degradable protein in roll-conditioned or macerated legume hays and silages estimated by in situ kinetics vs. alternative methods

Crop Science

Volumn 51, Issue 4, 2011, Pages 1832-1839

  Grabber, J H ^a   Coblentz, W K ^b   Broderick, G A ^a  

^a U S DAIRY FORAGE RESEARCH CENTER   (United States)

^b AGRICULTURAL RESEARCH SERVICE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MEDICAGO; STREPTOMYCES GRISEUS; TRIFOLIUM;

EID: 79959620883     PISSN: 0011183X     EISSN: 14350653     Source Type: Journal    
DOI: 10.2135/cropsci2010.10.0566     Document Type: Article

References (22)

1. Broderick, G.A., and M.K. Clayton. 1992. Rumen protein degradation rates estimated by nonlinear regression analysis of Michaelis-Menten in vitro data. Br. J. Nutr. 67:27-42. doi:10.1079/BJN19920006
2. Broderick, G.A., M.L. Murphy, and P. Uden. 2004a. Effect of inhibitor concentration and end-product accumulation on estimates of ruminal in vitro protein degradation. J. Dairy Sci. 87:1360-1371. doi:10.3168/jds.S0022-0302(04)73285-3
3. Broderick, G.A., P. Uden, M.L. Murphy, and A. Lapins. 2004b. Sources of variation in rates of in vitro ruminal protein degradation. J. Dairy Sci. 87:1345-1359. doi:10.3168/jds.S0022-0302(04)73284-1
4. Cassida, K.A., T.S. Griffin, J. Rodriguez, S.C. Patching, O.B. Hesterman, and S.R. Rust. 2000. Protein degradability and forage quality in maturing alfalfa, red clover, and birdsfoot trefoil. Crop Sci. 40:209-215. doi:10.2135/cropsci2000.401209x
5. Coblentz, W.K., I.E.O. Abdelgadir, R.C. Cochran, J.O. Fritz, W.H. Fick, K.C. Olson, and J.E. Turner. 1999. Degradability of forage proteins by in situ and in vitro enzymatic methods. J. Dairy Sci. 82:343-354. doi:10.3168/jds.S0022-0302(99)75241-0
6. Coblentz, W.K., J.O. Fritz, R.C. Cochran, W.L. Rooney, and K.K. Bolsen. 1997. Protein degradation responses to spontaneous heating in alfalfa hay by in situ and ficin methods. J. Dairy Sci. 80:700-713. doi:10.3168/jds.S0022-0302(97)75989-7
7. Colombini, S., and G.A. Broderick. 2010. Application of an o-phthalaldehyde assay that detects oligopeptides for estimating rumen protein degradation in vitro. p. 713-714. In G.M. Crovetto (ed.) Energy and protein metabolism and nutrition. Wageningen Academic Publishers, Wageningen, The Netherlands.
8. Grabber, J.H. 2008. Mechanical maceration divergently shifts protein degradability in condensed tannin vs. o-quinone containing conserved forages. Crop Sci. 48:804-813. doi:10.2135/cropsci2007.08.0461
9. Grabber, J.H. 2009. Protein fractions in forage legumes containing protein-binding polyphenols: Freeze-drying vs. conservation as hay or silage. Anim. Feed Sci. Technol. 151:324-329. doi:10.1016/j.anifeedsci.2009.01.019
10. Grabber, J.H., and W.K. Coblentz. 2009. Polyphenol, conditioning, and conservation effects on protein fractions and degradability in forage legumes. Crop Sci. 49:1511-1522. doi:10.2135/cropsci2008.05.0298
11. Griffin, T.S., K.A. Cassida, O.B. Hesterman, and S.R. Rust. 1994. Alfalfa maturity and cultivar effects on chemical and in situ estimates of protein degradability. Crop Sci. 34:1654-1661. doi:10.2135/cropsci1994.0011183X003400060043x
12. Kingston-Smith, A.H., A.L. Bollard, I.P. Armstead, B.J. Thomas, and M.K. Theodorou. 2003. Proteolysis and cell death in clover leaves is induced by grazing. Protoplasma 220:119-129. doi:10.1007/s00709-002-0044-5
13. Mertens, D.R., and J.R. Loften. 1980. The effect of starch on forage fiber digestion kinetics in vitro. J. Dairy Sci. 63:1437-1446. doi:10.3168/jds.S0022-0302(80)83101-8
14. Min, B.R., G.T. Attwood, K. Reilly, W. Sun, J.S. Peters, and T.N. Barry. 2002. Lotus corniculatus condensed tannins decrease in vivo populations of proteolytic bacteria and affect nitrogen metabolism in the rumen of sheep. Can. J. Microbiol. 48:911-921. doi:10.1139/w02-087
15. Muck, R.E., R.G. Koegel, K.J. Shinners, and R.J. Straub. 1989. Ensilability of mat-processed alfalfa. p. 2055-2061. In Proc. Commision Int. du Genie Rurl, 11th, Dublin, Ireland.
16. Neter, J., W. Wasserman, and M.H. Kutner. 1990. Applied linear statistical models regression, analysis of variance, and experimental designs. 3rd ed. Richard D. Irwin, Homewood, IL.
17. NRC. 2001. Nutrient requirements of dairy cattle. 7th revised ed. Update. Natl. Acad. Press, Washington, DC.
18. Orskov, E.R., and I. McDonald. 1979. The estimation of protein degradability in the rumen from incubation measurements weighted according to rate of passage. J. Agric. Sci. Camb. 92:499-503. doi:10.1017/S0021859600063048
19. Roth, M. 1971. Fluorescence reaction of amino acids. Anal. Chem. 43:880-882. doi:10.1021/ac60302a020
20. Sniffen, C.J., J.D. O'Connor, P.J. Van Soest, D.G. Fox, and J.B. Russell. 1992. A net carbohydrate and protein system for evaluating cattle diets. II. Carbohydrate and protein availability. J. Anim. Sci. 70:3562-3577.
21. Vanzant, E.S., R.C. Cochran, and E.C. Titgemeyer. 1998. Standardization of in situ techniques for ruminant feedstuffevaluation. J. Anim. Sci. 76:2717-2729.
22. Vanzant, E.S., R.C. Cochran, E.C. Titgemeyer, S.D. Stafford, K.C. Olsen, D.E. Johnson, and J. St. Jean. 1996. In vivo and in situ measurements of forage protein degradation in cattle. J. Anim. Sci. 74:2773-2784.