Rumen fermentation in lactating cows selected for milk fat content fed two forage to concentrate ratios with hay or silage

Journal of Dairy Science

Volumn 83, Issue 4, 2000, Pages 756-764

  Murphy, M ^a   Akerlind M ^a   Holtenius, K ^a  

^a SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES   (Sweden)

Author keywords

Glucose challenge; Milk fat; Rumen fermentation; Selection lines

Indexed keywords

INSULIN; LIPID; VOLATILE FATTY ACID;

ANIMAL; ANIMAL DISEASE; ANIMAL FOOD; ARTICLE; BLOOD; CATTLE; CHEMISTRY; CIRCADIAN RHYTHM; DIETARY FIBER; EATING; FEMALE; FERMENTATION; GLUCOSE BLOOD LEVEL; GLUCOSE TOLERANCE TEST; LACTATION; METABOLISM; MILK; PH; PHYSIOLOGY; RUMINANT STOMACH; SILAGE;

ANIMAL FEED; ANIMALS; BLOOD GLUCOSE; CATTLE; CIRCADIAN RHYTHM; DIETARY FIBER; EATING; FATTY ACIDS, VOLATILE; FEMALE; FERMENTATION; GLUCOSE TOLERANCE TEST; HYDROGEN-ION CONCENTRATION; INSULIN; LACTATION; LIPIDS; MILK; RUMEN; SILAGE;

EID: 0034171137     PISSN: 00220302     EISSN: None     Source Type: Journal    
DOI: 10.3168/jds.S0022-0302(00)74938-1     Document Type: Article

References (38)

1. Aiello, R. J., L. E. Armentano, S. J. Bertics, and A. T. Murphy. 1989. Volatile fatty acid uptake and propionate metabolism in ruminant hepatocytes. J. Dairy Sci. 72:942-949.
2. Åkerlind, M., M. Emanuelson, K. Dahlborn, and K. Holtenius. 1999. Glucose challenge in early lactating dairy cows selected for high or low milk-fat percentage. Anim. Sci. 68:717-722.
3. Åkerlind, M., K. Holtenius, J. Bertilsson, and M. Emanuelson. 1999. Feed intake and milk composition in dairy cows selected for high or low milk fat percentage. Livest. Prod. Sci. 59:1-11.
4. Beauchemin, K. A. 1992. Effects of ingestive and ruminative mastication on digestion of forage by cattle. Anim. Feed. Sci. Tech. 40:41-56.
5. Contreras, P. A., C. Larrain, F. Wittwer, J. Flores, and H. Bohmwald. 1992. Effect of dietary sodium bicarbonate and sodium bicarbonate plus magnesium-oxide on rumen fluid and milk yield in cows. Arch. Med. Vet. 24:131-139.
6. Demeyer, D. I. 1981. Rumen microbes and digestion of plant cell walls. Agric. Environ. 6:295-337.
7. de Visser, H., A. Klop, C. J. van der Koelen, and A. M. van Vuuren. 1998. Starch supplementation of grass harvested at two stages of maturity prior to ensiling: Intake, digestion, and degradability by dairy cows. J. Dairy Sci. 81:2221-2227.
8. de Visser, H., A. Klop, J. van der Meulen, and A. M. van Vuuren. 1998. Influence of maturity of grass silage and flaked corn starch on the production and metabolism of volatile fatty acids in dairy cows. J. Dairy Sci. 81:1028-1035.
9. Emanuelson, M. 1992. Varför har amerikanska kor låg fetthalt? Fakta Husdjur 7:1-4. Swedish University of Agricultural Sciences, Uppsala, Sweden (in Swedish).
10. Feed Tables for Ruminants, 1995. [Fodertabeller for idisslare] Ed. Spörndly, R. Dept. of Animal Nutrition and Management, Swedish Univ. of Agric. Sci., Rapport 235 (in Swedish).
11. Griinari, J. M., M. A. McGuire, D. A. Dwyer, D. E. Bauman, D. M. Barbano, and W. A. House. 1997. The role of insulin in the regulation of milk protein synthesis in dairy cows. J. Dairy Sci. 80:2361-2371.
12. Goering, H. K., and P. J. Van Soest. 1970. Forage Fiber Analyses (Apparatus, Reagents, Procedures, and Some Applications). Agric. Handbook No. 379. ARS-USDA, Washington, DC.
13. Huffman, P. C., S. J. Sievert, R. D. Shaver, D. A. Welch, and D. K. Combs. 1993. In-situ dry-matter, protein, and fiber degradation of perennial forages. J. Dairy Sci. 76:2632-2643.
14. Huhtanen, P. 1992. The effect of barley vs. barley fiber with or without distillers solubles on site and extent of nutrient digestion in cattle fed grass silage based diet. Anim. Feed. Sci. Technol. 36:319-337.
15. Jaakkola, S., and P. Huhtanen. 1993. The effects of forage preservation method and proportion of concentrate on nitrogen digestion and rumen fermentation in cattle. Grass Forage Sci. 48:146-154.
16. Laarveld, B., D. A. Christensen, and R. P. Brockman. 1981. The effect of insulin on net metabolism of glucose and amino acids by the bovine mammary gland. Endocrinology 108:2217-2221.
17. Larsson, K., and S. Bengtsson. 1983. Bestämning av lätt tillgängliga kolhydrater i vaxtmaterial (Determination of nonstructural carbohydrates in plant material). Method description no. 22. The Swedish National Laboratory for Agric. Sci., Uppsala.
18. Lindgren, E. 1979. Vallfodrets näringsvärde bestämt in vitro och med olika laboratoriemetoder (in Swedish with English summary) Dept. of Animal Nutrition and Management, Swedish Univ. of Agric. Sci., Rapport 45.
19. Lindgren, E. 1991. Analytical methods for energy evaluation. Norw. J. Agric. Sci. Suppl. 5:59-66.
20. Littell, R. C., G. A. Milliken, W. W. Stroup, and R. D. Wolfinger. 1996. SAS system for Mixed Models. SAS Institute Inc., Cary, NC. 633 pp.
21. McGuire, M. A., J. M. Griinari, D. A. Dwyer, and D. E. Bauman. 1995. Role of insulin in the regulation of mammary synthesis of fat and protein. J. Dairy Sci. 78:816-824.
22. Mackle, T. R., D. A. Dwyer, K. L. Ingvartsen, P. Y. Chouinard, J. M. Lynch, D. M. Barbano, and D. E. Bauman. 1999. Effects of insulin and amino acids on milk protein concentration and yield from dairy cows. J. Dairy Sci. 82:1512-1524.
23. Metcalf, J. A., J. D. Sutton, J. E. Cockburn, D. J. Napper, and D. J. Beever. 1991. The influence of insulin and amino acid supply on amino acid uptake by the lactating mammary gland. J. Dairy Sci. 74:3412-3420.
24. Miettinen, H., and P. Huhtanen. 1996. Effects of the ratio of ruminal propionate to butyrate on milk yield and blood metabolites in dairy cows. J. Dairy Sci. 79:851-861.
25. Nocek, J. E., and S. Tamminga. 1991. Site of digestion of starch in the gastrointestinal tract of dairy cows and its effect on milk yield and composition. J. Dairy Sci. 74:3598-3629.
26. Orozco-Hernández, J. R., G. J. Brisson, V. Girard, and J.R.O. Hernandez. 1997. Timothy grass or alfalfa silage for cows in midlactation: effect of supplementary barley. J. Dairy Sci. 80:2876-2884.
27. Patterson, H., and H. L. Lucas. 1962. Change-over Designs. Technical Bulletin 147. North Carolina Agricultural Experimental Station and United States Department of Agriculture.
28. Rammer, C. 1996. Quality of grass silage infected with spores of Clostridium tyrobutyricum. Grass Forage Sci. 51:88-95.
29. Sutton, J. D., I. C. Hart, W. H. Broster, R. J. Elliot, and E. Schuller. 1986. Feeding frequency for lactating cows: effects on rumen fermentation and blood metabolites and hormones. Br. J. Nutr. 56:181-192.
30. Swedish National Laboratory for Agric. Sci. 1989. Bestämning av råfett, metod 4 [Determination of crude fat, method 4]. Metodbeskrivning nr 39. 39:1-7. Uppsala, (in Swedish)
31. Tesseraud, S. J., B. Grizard, B. Makarski, E. Debras, G. Bayle, and C. Champredon. 1992. Effect of insulin in conjunction with glucose, amino acids and potassium on net metabolism of glucose and amino acids in the goat mammary gland. J. Dairy Res. 59:135-149.
32. Udén, P. 1994. Digestibility and digesta retention in dairy cows receiving hay or silage at varying concentrate levels. Anim. Feed. Sci. Technol. 11:279-291.
33. Udén, P., P. E. Colucci, and P. J. van Soest. 1980. Investigations of chromium, cerium, and cobalt as markers in digesta. Rate of passage studies. J. Sci. Food Agric. 31:625-632.
34. van Gylswyk, N. O., and M. Murphy. 1993. Some aspects of the rumen microbiology of lactating cows fed diets that differed in terms of PBV (Protein Balance in the Rumen). Swed. J. Agric. Res. 23:21-28.
35. Van Soest, P. J. 1994. Nutritional Ecology of the Ruminant. Comstock Publishing Associates, Ithaca.
36. Van Soest, P. J., J. B. Robertson, and B. A. Lewis. 1991. Methods for dietary fiber, neutral detergent fiber and nonstarch polysaccharides in relation to animal nutrition. J. Dairy Sci. 74:3583-3597.
37. Yang, C.M.J., and G. A. Varga. 1993. The effects of continuous ruminal dosing with dioctyl sodium sulfosuccinate on ruminal and metabolic characteristics of lactating Holstein cows. Br. J. Nutr. 69:397-408.
38. Zinn, R. A., and F. N. Owens. 1986. A rapid procedure for purine measurement and its use for estimating net ruminal protein synthesis. Can. J. Anim. Sci. 66:157-166.