Production responses of dairy cows when fed supplemental fat in low-and high-forage diets

Journal of Dairy Science

Volumn 92, Issue 12, 2009, Pages 6144-6155

  Weiss, W P ^a   Pinos Rodriguez J M ^a,b  

^a OHIO STATE UNIVERSITY   (United States)

^b UNIVERSIDAD AUTÓNOMA DE SAN LUIS POTOSÍ   (Mexico)

Author keywords

Energy intake; Fiber; Forage; Supplemental fat

Indexed keywords

BOS; MEDICAGO SATIVA; ZEA MAYS;

EID: 70749092222     PISSN: 00220302     EISSN: 15253198     Source Type: Journal    
DOI: 10.3168/jds.2009-2558     Document Type: Article

References (23)

1. Allen, M. S. 2000. Effects of diet on short-term regulation of feed intake by lactating dairy cows. J. Dairy Sci. 83:1598-1624.
2. Association of Official Analytical Chemists. 2000. Official Methods of Analysis of AOAC International. Vol. 1 and 2. 17th ed. AOAC International, Gaithersburg, MD.
3. Broderick, G. A., and M. K. Clayton. 1997. A statistical evaluation of animal and nutritional factors influencing concentrations of milk urea nitrogen. J. Dairy Sci. 80:2964-2971.
4. Canale, C. J., P. L. Burgess, L. D. Muller, and G. A. Varga. 1990. Calcium salts of fatty acids in diets that differ in neutral detergent fiber: Effect on lactation performance and nutrient digestibility. J. Dairy Sci. 73:1031-1038.
5. Chilliard, Y. 1993. Dietary fat and adipose tissue metabolism in ruminants, pigs, and rodents: A review. J. Dairy Sci. 76:3897-3931.
6. Conrad, H. R., A. D. Pratt, and J. W. Hibbs. 1964. Regulation of feed intake in dairy cows. I. Change in importance of physical and physiological factors with increasing digestibility. J. Dairy Sci. 47:54-62.
7. Drackley, J. K., D. W. LaCount, J. P. Elliott, T. H. Klusmeyer, T. R. Overton, J. H. Clark, and S. A. Blum. 1998. Supplemental fat and nicotinic acid for Holstein cows during an entire lactation. J. Dairy Sci. 81:201-214.
8. Grant, R. J., and S. J. Weidner. 1992. Effect of fat from whole soybeans on performance of dairy cows fed rations differing in fiber level and particle size. J. Dairy Sci. 75:2742-2751.
9. Griinari, J. M., D. A. Dwyer, M. A. McGuire, D. E. Bauman, D. L. Palmquist, and K. V. V. Nurmela. 1998. Trans-octadecenoic acids and milk fat depression in lactating dairy cows. J. Dairy Sci. 81:1251-1261.
10. Harvatine, K. J., and M. S. Allen. 2006. Effects of fatty acid supplements on milk yield and energy balance of lactating dairy cows. J. Dairy Sci. 89:1081-1091.
11. Hristov, A. N., and J. K. Ropp. 2003. Effect of dietary carbohydrate composition and availability on utilization of ruminal ammonia nitrogen for milk protein synthesis in dairy cows. J. Dairy Sci. 86:2416-2427.
12. Ipharraguerre, I. R., and J. H. Clark. 2003. Soyhulls as an alternative feed for lactating dairy cows: A review. J. Dairy Sci. 86:1052-1073.
13. Jerred, M. J., D. J. Carroll, D. K. Combs, and R. R. Grummer. 1990. Effects of fat supplementation and immature alfalfa to concentrate ratio on lactation performance of dairy cattle. J. Dairy Sci. 73:2842-2854.
14. Klusmeyer, T. H., G. L. Lynch, J. H. Clark, and D. R. Nelson. 1991. Effects of calcium salts of fatty acids and proportion of forage in diet on ruminal fermentation and nutrient flow to duodenum of cows. J. Dairy Sci. 74:2220-2232.
15. NRC. 2001. Nutrient Requirements of Dairy Cattle. 7th rev. ed. Natl. Acad. Press, Washington, DC.
16. Onetti, S. G., and R. R. Grummer. 2004. Response of lactating cows to three supplemental fat sources as affected by forage in the diet and stage of lactation: A meta-analysis of literature. Anim. Feed Sci. Technol. 115:65-82.
17. Palmquist, D. L., A. D. Beaulieu, and D. M. Barbano. 1993. Feed and animal factors influencing milk fat composition. J. Dairy Sci. 76:1753-1771.
18. Relling, A. E., and C. K. Reynolds. 2007. Feeding rumen-inert fats differing in their degree of saturation decreases intake and increases plasma concentrations of gut peptides in lactating dairy cows. J. Dairy Sci. 90:1506-1515.
19. Rodriguez, L. A., C. C. Stallings, J. R. Herbein, and M. L. McGilliard. 1997. Effect of degradability of dietary protein and fat on ruminal, blood, and milk components in Jersey and Holstein cows. J. Dairy Sci. 80:353-363.
20. SAS Institute. 2004. SAS/STAT User's Guide. Version 9. SAS Institute Inc., Cary, NC.
21. van Knegsel, A. T. M., H. von der Brand, J. Dijkstra, W. M. von Straalen, M. J. W. Heetkamp, S. Tamminga, and B. Kemp. 2007. Dietary energy source in dairy cows in early lactation: Energy partitioning and milk composition. J. Dairy Sci. 90:1467-1476.
22. Weiss, W. P., and D. J. Wyatt. 2000. Effect of oil content and kernel processing of corn silage on digestibility and milk production by dairy cows. J. Dairy Sci. 83:351-358.
23. Weiss, W. P., and D. J. Wyatt. 2003. Effect of dietary fat and vitamin E on alpha-tocopherol in milk from dairy cows. J. Dairy Sci. 86:3582-3591.