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Changes in the composition of goat colostrum and milk fatty acids during the first month of lactation

Author

Listed:
  • M. Marounek

    (Department of Nutrition Physiology and Animal Product Quality, Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • L. Pavlata

    (Ruminant Clinic, University of Veterinary and Pharmaceutical Science, Brno, Czech Republic)

  • L. Mišurová

    (Ruminant Clinic, University of Veterinary and Pharmaceutical Science, Brno, Czech Republic)

  • Z. Volek

    (Department of Nutrition Physiology and Animal Product Quality, Institute of Animal Science, Prague-Uhříněves, Czech Republic)

  • R. Dvořák

    (Ruminant Clinic, University of Veterinary and Pharmaceutical Science, Brno, Czech Republic)

Abstract

Changes in the composition of colostrum and milk fatty acids during the first month of lactation of ten 3-years-old White shorthaired goats fed a winter diet were investigated. Thirty-eight fatty acids (FAs) were identified in the milk fat. Saturated FAs accounted for 67.0% of the total determined FAs in colostrum and 62% at 30 days post partum. Monounsaturated FAs made up 28.2% of the total FAs in colostrum and increased with the progress of lactation at the expense of saturated FAs. The percentage of polyunsaturated FAs varied from 4.4 to 4.8%. The major FAs in colostrum and milk were palmitic and oleic acids, followed by stearic and myristic acids (30.1, 25.3, 11.8, 11.4% and 23.6, 30.3, 13.6, 8.6% in colostrum and milk 30 days post partum, respectively). The levels of palmitic and myristic acids in colostrum were higher than in mature milk, whereas the levels of capric, stearic and oleic acids were lower. The medium-chain FA (caprylic, capric, lauric) content increased from 8.7% of FAs in colostrum to 11.1% on the fourth day of lactation. These acids are efficient antimicrobials, thus may contribute to the protection of young goats from microbial pathogens.

Suggested Citation

  • M. Marounek & L. Pavlata & L. Mišurová & Z. Volek & R. Dvořák, 2012. "Changes in the composition of goat colostrum and milk fatty acids during the first month of lactation," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 57(1), pages 28-33.
    • Handle: RePEc:caa:jnlcjs:v:57:y:2012:i:1:id:5481-cjas
    DOI: 10.17221/5481-CJAS
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    References listed on IDEAS

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    1. A. Cieslak & J. Kowalczyk & M. Czauderna & A. Potkanski & M. Szumacher-Strabel, 2010. "Enhancing unsaturated fatty acids in ewe's milk by feeding rapeseed or linseed oil," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(11), pages 496-504.
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    Cited by:

    1. Jaromír DUCHÁČEK & Luděk STÁDNÍK & Martin PTÁČEK & Jan BERAN & Monika OKROUHLÁ & Jaroslav ČÍTEK & Roman STUPKA, 2014. "Effect of cow energy status on the hypercholesterolaemic fatty acid proportion in raw milk," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 32(3), pages 273-279.
    2. E. Skřivanová & Š. Pražáková & O. Benada & P. Hovorková & M. Marounek, 2014. "Susceptibility of Escherichia coli and Clostridium perfringens to sucrose monoesters of capric and lauric acid," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(8), pages 374-380.

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