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Fatty acid profiles of rumen fluid from sheep fed diets supplemented with various oils and effect on the rumen ciliate population

Author

Listed:
  • Z. Váradyová

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

  • S. Kišidayová

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

  • P. Siroka

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

  • D. Jalč

    (Institute of Animal Physiology, Slovak Academy of Sciences, Košice, Slovak Republic)

Abstract

The profile of trans-fatty acids and the protozoan population were evaluated in four ruminally fistulated sheep fed a diet with meadow hay: barley grain ratio (80:20%) plus sunflower oil (SO), rapeseed oil (RO) or linseed oil (LO) (5% wt/wt). The concentrate was daily mixed with individual oils and offered at 07.00 h. A 4 × 4 Latin square with 4-week periods was used. The concentration of trans-vaccenic acid (TVA) was the highest 4 h after feeding (36.1 g/100 g FA with SO; 34.5 g/100 g FA with RO) and then decreased with the time after feeding (P < 0.05). The concentration of cis9, trans11 conjugated linoleic acid (c9,t11-CLA) with RO increased from 3.23 g/100 g FA (2 h after feeding) to 4.67 g/100 g FA (4 h after feeding). The concentration of c9,t11-CLA with SO increased from 2.09 g/100 g FA (2 h after feeding) to 2.31 g/100 g FA (4 h after feeding). The concentration of c9,t11-CLA with LO was the highest 4 h after feeding (2.07 g/100 g FA). Overall effects of the oil supplements and time after feeding on short-chain fatty acids (SCFA), medium-chain fatty acids (MCFA) and long-chain fatty acids (LCFA) in the rumen fluid were evident. A strong interaction of oil supplements and time after feeding was detected in the concentration of UFA and SFA (P < 0.001). A significant effect of LO on the rumen ciliate population was observed; the total protozoan concentration and the number of Entodinium spp. were decreased as well as Dasytricha ruminantium, Isotricha spp., Polyplastron multivesiculatum, Ophryoscolex c. tricoronatus and Eremoplastron dilobum.

Suggested Citation

  • Z. Váradyová & S. Kišidayová & P. Siroka & D. Jalč, 2007. "Fatty acid profiles of rumen fluid from sheep fed diets supplemented with various oils and effect on the rumen ciliate population," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 52(11), pages 399-406.
    • Handle: RePEc:caa:jnlcjs:v:52:y:2007:i:11:id:2322-cjas
    DOI: 10.17221/2322-CJAS
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    Citations

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    Cited by:

    1. Małgorzata Paulina Majewska & Renata Miltko & Grzegorz Bełżecki & Jacek Skomiał & Barbara Kowalik, 2017. "Supplementation of rapeseed and linseed oils to sheep rations: effects on ruminal fermentation characteristics and protozoal populations," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 62(12), pages 527-538.
    2. T. Laho & Z. Váradyová & K. Mihaliková & S. Kišidayová & Z. Adamechová & M. Čertík & D. Jalč, 2011. "Prefermented cereals containing fungal gamma-linolenic acid and their effect on rumen metabolism in vitro," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 56(7), pages 325-335.
    3. K. Mikešová & H. Härtlová & L. Zita & E. Chmelíková & M. Hůlková & R. Rajmon, 2014. "Effect of evening primrose oil on biochemical parameters of thoroughbred horses under maximal training conditions," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 59(10), pages 488-493.
    4. T.J. Guo & J.Q. Wang & D.P. Bu & K.L. Liu & J.P. Wang & D. Li & S.Y. Luan & X.K. Huo, 2010. "Evaluation of the microbial population in ruminal fluid using real time PCR in steers treated with virginiamycin," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(7), pages 276-285.
    5. Z. Váradyová & S. Kišidayová & A. Lauková & D. Jalč, 2010. "Influence of inoculated maize silage and sunflower oil on the in vitro fermentation, ciliate population and fatty acid outputs in the rumen fluid collected from sheep," Czech Journal of Animal Science, Czech Academy of Agricultural Sciences, vol. 55(3), pages 105-115.

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