MILK PRODUCTION AND MODIFICATION OF MILK FATTY ACID OF DAIRY COWS FED PUFA-CONCENTRATE

*E. Sulistyowati -  Animal Science Department, Faculty of Agriculture, University of Bengkulu Jl. Raya W.R. Supratman- Bengkulu 38371, Indonesia
U. Santoso -  Animal Science Department, Faculty of Agriculture, University of Bengkulu Jl. Raya W.R. Supratman- Bengkulu 38371, Indonesia
I. Badarina -  Animal Science Department, Faculty of Agriculture, University of Bengkulu Jl. Raya W.R. Supratman- Bengkulu 38371, Indonesia
Published: 15 Dec 2010.
Open Access
Abstract
Some fatty acid supplements in concentrate containing Curcuma xanthorrhiza, ROXB wereevaluated for effects on milk yield, milk fat and protein, including milk fatty acid. Four lactating (4 ± 1.5months ) Fries Holland (FH) cows were allocated into four treatments of concentrate containing 4.5%palm oil (CP0), 4.5% corn oil (CP1), 4.5% roasted ground corn (CP2), and 1.5% corn oil and 3% roastedground corn (CP3), respectively, in 4 x 4 Latin Square experimental design with 3 d-period. Resultsshowed that there were no significant (P>0.05) effects on milk yield, milk fat and protein, and milk fattyacid. However, the highest average of milk production was found in CP2 (8.63 kg/d). Milk fat wasdecreasing to 3.81% in conjunction with the more potential total PUFA (71.81%) in CP3 with corn oiland roasted ground corn. Ratio of omega-6 to omega-3 in milk was the same in both, CP2 and CP3, itwas 2.14. However , since the objective of this research was to improve milk yield as well as milkcomponents and health concern, therefore the CP2 with roasted ground corn was considered as theoptimal one.

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Keywords
Milk production. milk fatty acid. PUFA- concentrate

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