Milk production and composition of cows fed diets with different contents of concentrate and lipids;Produção e composição do leite de vacas alimentadas com dietas com diferentes proporções de forragem e teores de lipídeos

Arquivo Brasileiro de Medicina Veterinaria e Zootecnia

Volumn 59, Issue 3, 2007, Pages 759-766

  Oliveira, M A ^e   Reis, R B ^a   Ladeira, M M ^b   Pereira, I G ^c   Franco, G L ^d   Saturnino, H M ^a   Coelho, S G ^a   Artunduaga, M A T ^a   Faria, B N ^a   Souza Jr , J A ^a  

^a FEDERAL UNIVERSITY OF MINAS GERAIS   (Brazil)

^b FEDERAL UNIVERSITY OF LAVRAS   (Brazil)

^c FEDERAL UNIVERSITY OF VIÇOSA   (Brazil)

^d FEDERAL UNIVERSITY OF MATO GROSSO DO SUL   (Brazil)

^e EV UFMG ^*

Author keywords

Concentrate; Dairy cow; Forage; Milk fat; Soybean extruded

Indexed keywords

BOS; GLYCINE MAX;

EID: 34548733646     PISSN: 01020935     EISSN: 16784162     Source Type: Journal    
DOI: 10.1590/s0102-09352007000300030     Document Type: Article

References (26)

1. ASHES, J. R.; GULATI, S. K.; SCOTT, T. W. Potential to alter the content and composition of milk fat through nutrition. J. Dairy Sci., V.80, p.2204-2212, 1997.
2. BACH, A., Transtornos ruminales en el vacuno lechero: un enfoque práctico. In: CURSO DE ESPECIALIZACIÓN, 18., Barcelona, 2002. Anais ..., Barcelona, 2002. p.119-139.
3. BAUMAN, D.E.; GRIINARI, M.G. Nutritional regulation of milk fat synthesis, 2003. Disponível em: 〈http://www.annurev.nut. com〉. Acessado em: 20 Fev. 2003.
4. BAUMGARD, L.H.; SANGSTER, J.K.; BAUMAN, D.E. Milk fat synthesis in dairy cows is progressively reduced by increasing supplemental amounts of Trans-10, cis-12 conjugated linoleic acid (CLA). J. Nutr., v.131, p.1764-1769, 2001.
5. BLOCK, E.; MULLER, L.D.; GRIEL, J.R.L.C. et al. Brown midrib-3 Corn silage and heat extruded soybeans for early lactating dairy cows. J. Dairy Sci., v.64, p.1813-1825, 1981.
6. BREMMER, D.R.; RUPPERT, L.D.; CLARK, J.H. et al. Effects of chain length and unsaturation of fatty acid mixtures infused into the abomasum of lactating dairy cows. J. Dairy Sci., v.81, p.176-188, 1998.
7. CHOUIRNARD, P.Y.; GIRARD, V.; BRISSON, G.J. et al. Performance and profiles of milk fatty acids of cows fed full fat, heat-treated soybeans using various processing methods. J. Dairy Sci., v.80, p.334-342, 1997a.
8. CHOUIRNARD, P.Y.; LÉVESQUE, J.; GIRARD, V. et al. Dietary soybeans extruded at different temperatures: milk composition and in situ fatty acid reactions. J. Dairy Sci., v.80, p.2913-2924, 1997b.
9. FALDET, M.A.; SATTER, L.D. Feeding heat-treated full fat soybeans to cows to early lactation, J. Dairy Sci., v.74, p.3047-3054, 1991.
10. GRUMMER, R.R. Effect of feed on the composition of milk fat. J. Dairy Sci., v.74, p.3244-3257, 1991.
11. GRAVERT, H.O. Breeding of dairy cattle. In: Dairy Cattle Production, New York: Elsevier Science, 1987. p.35-76.
12. JENKINS, T.C. Lipid metabolism in the rumen. J. Dairy Sci.,v.76, p.3851-3863, 1993.
13. MIELKE, C.D.; SCHINGOETHE, D.J. Heat-treated soybeans for lactating cows, J. Dairy Sci., v.65, 1579-1585, 1980.
14. MOORE, D.A.; VARGAS, G. Urea nitrogen testing in dairy cattle. Continuing Education article # 8. Comp. Food Anim., v.18, p.712-721, 1996.
15. NOCEK, J.E.; YOUNG, G.D. Ruminocentesis to evaluate the relationship milk fat-protein inversion and subclinical acidosis in commercial dairy cows. J. Dairy Sci., v.76, suppl.1, p.297-305, 1998.
16. NUTRIENT requirements of dairy cattle. Washington, DC: National Academic Science, 2001.
17. PALMQUIST, D.L.; JENKINS, T.C. Fat in lactation rations: review. J. Dairy Sci., v.63, p.1-14, 1980.
18. PALMQUIST, D.L.; BEAULIEU, A.D. Feed and animal factors influencing milk fat composition, J. Dairy Sci., v.76, p.1753-1771, 1993
19. SATTER, L.D.; DHIMAN, T.R.; HSU, J. T. Use of heat processed soybeans in dairy rations. In: CORNELL NUTRITION CONFERENCE FOR FEED MANUFACTURERS, 18-20., 1994, Rochester. Proceeding... Rochester, 1994. p.19-28.
20. SCOTT, T.A.; COMBS, D.K.; GRUMMER, R.R. et al. Effects of roasting, extrusion, and particle size on the feeding value of soybeans for dairy cows. J. Dairy Sci., v.74, p.2555-2562, 1991.
21. SOLOMON, R.; CHASE, L.E.; BENGHEDALIA, D. et al. The effect of nonstructural carbohydrate and additon of full fat extruded soybeans on the concentratoin of conjugated linoleic acid in teh mlik fat of dairy cows. J. Dairy Sci., v.83, p.1322-1329, 2000.
22. SUTTON, J.D. Altering milk composition by feeding. J. Dairy Sci., v.72, p.2801-2814, 1989.
23. TYRRELL, H.F.; REID, J.T. Prediction of the energy value of the milk. J. Dairy Sci., v.48, p.1215-1228, 1965.
24. USER'S guide: statistics. 5.ed. Cary: SAS Institute, 1999. 996 p.
25. VAN DIJK, H.J.; O'DELL, G.D.; PERRY, P. R. et.al. Extruded versus raw ground soybeans for dairy cows in early lactation. J. Dairy Sci., v.66, p.2521-2525, 1983.
26. WHITLOCK, L.A.; SCHINGOETHE, D. J.; HIPPEN, A.R. et al. Milk production and composition from cows fed high oil or convertional corn at two forage concentrations. J. Dairy Sci., v.86, p.2428-2437, 2003.