Altering physically effective fiber intake through forage proportion and particle length: Digestion and milk production

Journal of Dairy Science

Volumn 90, Issue 7, 2007, Pages 3410-3421

  Yang, W Z ^a   Beauchemin, K A ^a  

^a LETHBRIDGE RESEARCH CENTRE   (Canada)

Author keywords

Dairy cow; Digestion; Microbial nitrogen synthesis; Physically effective neutral detergent fiber

Indexed keywords

BOS; MEDICAGO SATIVA;

EID: 35748948953     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2006-818     Document Type: Article

References (35)

1. Allen, M.S. 1997. Relationship between fermentation acid production in the rumen and the requirement for physically effective fiber. J. Dairy Sci. 80:1447-1462.
2. Allen, M. S., and D. R. Mertens. 1988. Evaluating constraints on fiber digestion by rumen microbes. J. Nutr. 118:261-270.
3. AOAC (Association of Official Analytical Chemists). 1990. Official Methods of Analysis. Vol. 1. 15th ed. AOAC, Arlington, VA.
4. Beauchemin, K. A., and W. Z. Yang. 2003. Forage: How much do dairy cows need in a time scarcity? Adv. Dairy Technol. 15:261-274.
5. Beauchemin, K. A., and W. Z. Yang. 2005. Effects of physically effective fiber on intake, chewing activity, and ruminal acidosis for dairy cows fed diets based on corn silage. J. Dairy Sci. 88:2117-2129.
6. Beauchemin, K. A., W. Z. Yang, and L. M. Rode. 2003. Effects of particle size of alfalfa-based dairy cow diets on chewing activity, rumen fermentation, and milk production. J. Dairy Sci. 86:630-643.
7. Fernandez, I., C. Martin, M. Champion, and B. Michalet-Doreau. 2004. Effect of corn hybrid and chop length of whole-plant corn silage on digestion and intake by dairy cows. J. Dairy Sci. 87:1298-1309.
8. Kalscheur, K. F., B. B. Teter, L. S. Piperova, and R. A. Erdman. 1997. Effects of dietary forage concentration and buffer addition on duodenal flow of trans-C 18:1 fatty acids and milk fat production in dairy cows. J. Dairy Sci. 80:2104-2114.
9. Khorasani, G. R., E. K. Okine, and J. J. Kennelly. 2001. Effects of forage source and amount of concentrate on rumen and intestinal digestion of nutrients in late-lactation cows. J. Dairy Sci. 84:1156-1165.
10. Kononoff, P. J., and A. J. Heinrichs. 2003a. The effect of corn silage particle size and cottonseed hulls on cows in early lactation. J. Dairy Sci. 86:2438-2451.
11. Kononoff, P. J., and A. J. Heinrichs. 2003b. The effect of reducing alfalfa haylage particle size on cows in early lactation. J. Dairy Sci. 86:1445-1457.
12. Kononoff, P. J., A. J. Heinrichs, and D. R. Buckmaster. 2003. Modification of Penn State forage and total mixed ration particle separator and the effects of moisture content on its measurements. J. Dairy Sci. 86:1858-1863.
13. Krause, K. M., D. K. Combs, and K. A. Beauchemin. 2002a. Effects of forage particle size and grain fermentability in midlactation cows. I. Milk production and diet digestibility. J. Dairy Sci. 85:1936-1946.
14. Krause, K. M., D. K. Combs, and K. A. Beauchemin. 2002b. Effects of forage particle size and grain fermentability in midlactation cows. II. Ruminal pH and chewing activity. J. Dairy Sci. 85:1947-1957.
15. Lammers, B. P., D. R. Buckmaster, and A. J. Heinrichs. 1996. A simple method for the analysis of particle sizes of forage and total mixed rations. J. Dairy Sci. 79:922-928.
16. Llamas-Lamas, G., and D. K. Combs. 1991. Effects of forage to concentrate ratio and intake level on utilization of early vegetative alfalfa silage by dairy cows. J. Dairy Sci. 74:526-536.
17. Mackle, T. R., D. A. Dwyer, K. L. Ingvartsen, P. Y. Chouinard, D. A. Ross, and D. E. Bauman. 2000. Effects of insulin and postruminal supply of protein on use of amino acids by the mammary gland for milk protein synthesis. J. Dairy Sci. 83:93-105.
18. Mertens, D. R. 1997. Creating a system for meeting the fiber requirements of dairy cows. J. Dairy Sci. 80:1463-1481.
19. Moorby, J. M., R. J. Dewhurst, R. T. Evans, and J. L. Danelon. 2006. Effects of dairy cow diet forage proportion on duodenal nutrient supply and urinary purine derivative excretion. J. Dairy Sci. 89:3552-3562.
20. NRC (National Research Council). 2001. Nutrient Requirements of Dairy Cattle. 7th rev. ed. Natl. Acad. Sci., Washington, DC.
21. Nocek, J. E. 1997. Bovine acidosis: Implication on laminitis. J. Dairy Sci. 80:1005-1028.
22. Owens, F. N., D. S. Secrist, W. J. Hill, and D. R. Gill. 1998. Acidosis in cattle: A review. J. Anim. Sci. 76:275-286.
23. Rode, L. M., W. Z. Yang, and K. A. Beauchemin. 1999. Fibrolytic enzyme supplements for dairy cows in early lactation. J. Dairy Sci. 82:2121-2126.
24. SAS Institute. 1996. SAS User's Guide: Statistics. Version 7 Edition. SAS Inst., Inc., Cary, NC.
25. Soita, H. W., D. A. Christensen, J. J. McKinnon, and A. F. Mustafa. 2002. Effects of barley silage of different theoretical cut length on digestion kinetics in ruminants. Can. J. Anim. Sci. 82:207-213.
26. Soita, H. W., M. Fehr, D. A. Christensen, and T. Mutsvangwa. 2005. Effects of corn silage particle length and foragexoncentrate ratio on milk fatty acid composition in dairy cows fed supplemental flaxseed. J. Dairy Sci. 88:2813-2819.
27. Sutton, J. D. 1989. Altering milk composition by feeding. J. Dairy Sci. 72:2801-2814.
28. Van Soest, P. J., J. B. Robertson, and B. A. Lewis. 1991. Methods for dietary fiber, neutral detergent fiber and non-starch polysaccharide in relation to animal nutrition. J. Dairy Sci. 74:3583-3597.
29. Yang, W. Z., and K. A. Beauchemin. 2005. Effects of physically effective fiber on digestion and milk production by dairy cows fed diets based on corn silage. J. Dairy Sci. 88:1090-1098.
30. Yang, W. Z., and K. A. Beauchemin. 2006a. Increasing the physically effective fiber content of dairy cow diets may lower efficiency of feed use. J. Dairy Sci. 89:2694-2704.
31. Yang, W. Z., and K. A. Beauchemin. 2006b. Physically effective fiber: Method of determination and effects on chewing, ruminal acidosis, and digestion by dairy cows. J. Dairy Sci. 89:2618-2633.
32. Yang, W. Z., and K. A. Beauchemin. 2007. Altering physically effective fiber intake through forage proportion and particle length: Chewing and ruminal pH. J. Dairy Sci. 90:2826-2838.
33. Yang, W. Z., K. A. Beauchemin, and L. M. Rode. 2001. Effects of grain processing, forage to concentrate ratio, and forage particle size on rumen pH and digestion by dairy cows. J. Dairy Sci. 84:2203-2216.
34. Yang, W. Z., K. A. Beauchemin, and L. M. Rode. 2002. Effects of particle size of alfalfa-based dairy cow diets on site and extent of digestion. J. Dairy Sci. 85:1958-1968.
35. Yansari, A. T., R. Valizadeh, A. Naserian, D. A. Christensen, P. Yu, and F. E. Shahroodi. 2004. Effects of alfalfa particle size and specific gravity on chewing activity, digestibility, and performance of Holstein dairy cows. J. Dairy Sci. 87:3912-3924.