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Effect of dietary sources of roasted oilseeds on blood parameters and milk fatty acid composition

Author

Listed:
  • Z.L. Liu

    (School of Pharmacy Sciences, Sun Yat-Sen University, Guangzhou, China)

  • D.P. Yang

    (School of Pharmacy Sciences, Sun Yat-Sen University, Guangzhou, China)

  • P. Chen

    (School of Pharmacy Sciences, Sun Yat-Sen University, Guangzhou, China)

  • S.B. Lin

    (Guangzhou Feng Xing Dairy Company, Guangzhou, China)

  • X.Y. Jiang

    (School of Pharmacy Sciences, Sun Yat-Sen University, Guangzhou, China)

  • W.S. Zhao

    (Guangzhou Feng Xing Dairy Company, Guangzhou, China)

  • J.M. Li

    (School of Pharmacy Sciences, Sun Yat-Sen University, Guangzhou, China)

  • W.X. Dong

    (School of Pharmacy Sciences, Sun Yat-Sen University, Guangzhou, China)

Abstract

The aim of this experiment was to investigate the effect of supplementing the basal diet with oilseeds on blood parameters and composition of milk fatty acids, especially conjugated linoleic acid (CLA). Forty-eight lactating Holstein cows in early lactation were used in a randomized block design. The cows in each group were fed the control basal diet (the control diet) or diets containing roasted soybean (RSB), roasted linseed (RLS), roasted sunflower seed (RSS), hulled roasted peanut (HRP) and roasted cottonseed (RCS), respectively. Milk yield and dry matter intake (DMI) were not significantly different. Milk fat percentage and yield decreased (P < 0.05) in RLS, RSS and RCS diets compared with the control. Feeding various oilseeds had no effect on plasma parameters, but it tended to increase concentrations of trans C18:1 and C18:2 in plasma. In milk fat, the concentrations of short and medium fatty acids decreased while C18 unsaturated fatty acids increased when the cows were fed oilseed diets. Cis-9, trans -11 CLA content increased (P < 0.01) in the milk fat of cows fed oilseeds. RSB treatment produced the highest (P < 0.01) content of cis-9, trans -11 CLA, which was a 60% increase compared with the control. The results indicate that the diets supplemented with oilseeds improve the content of C18 unsaturated fatty acids and CLA in milk fat, and soybeans seem to be the optimal source to improve the nutritive value of milk compared with other oilseeds.

Suggested Citation

  • Z.L. Liu & D.P. Yang & P. Chen & S.B. Lin & X.Y. Jiang & W.S. Zhao & J.M. Li & W.X. Dong, 2008. "Effect of dietary sources of roasted oilseeds on blood parameters and milk fatty acid composition," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 53(5), pages 219-226.
    • Handle: RePEc:caa:jnlcjs:v:53:y:2008:i:5:id:309-cjas
    DOI: 10.17221/309-CJAS
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    References listed on IDEAS

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    1. T. Komprda & R. Dvořák & M. Fialová & K. Šustová & A. Pechová, 2005. "Fatty acid content in milk of dairy cows on a diet with high fat content derived from rapeseed," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 50(7), pages 311-319.
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    Cited by:

    1. X.J. Dai & C. Wang & Q. Zhu, 2011. "Milk performance of dairy cows supplemented with rape seed oil, peanut oil, and sunflower seed oil," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 56(4), pages 181-191.
    2. V. Kudrna & J. Illek & M. Marounek & A. Nguyen Ngoc, 2009. "Feeding ruminally protected methionine to pre- and postpartum dairy cows: effect on milk performance, milk composition and blood parameters," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(9), pages 395-402.
    3. P. Kalač & E. Samková, 2010. "The effects of feeding various forages on fatty acid composition of bovine milk fat: A review," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(12), pages 521-537.
    4. K. Poláková & V. Kudrna & A. Kodeš & B. Hučko & Z. Mudřík, 2010. "Non-structural carbohydrates in the nutrition of high-yielding dairy cows during a transition period," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(11), pages 468-478.
    5. R. Bečková & E. Václavková, 2010. "The effect of linseed diet on carcass value traits and fatty acid composition in muscle and fat tissue of fattening pigs," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(8), pages 313-320.
    6. E. Samková & M. Pešek & J. Špička & T. Pelikánová & O. Hanuš, 2009. "The effect of feeding diets markedly differing in the proportion of grass and maize silages on bovine milk fat composition," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(3), pages 93-100.
    7. B. Hučko & V.A. Bampidis & A. Kodeš & V. Christodoulou & Z. Mudřik & K. Poláková & V. Plachý, 2009. "Rumen fermentation characteristics in pre-weaning calves receiving yeast culture supplements," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(10), pages 435-442.
    8. J. Frelich & M. Šlachta & O. Hanuš & J. Špička & E. Samková, 2009. "Fatty acid composition of cow milk fat produced on low-input mountain farms," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 54(12), pages 532-539.

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