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Volume 53, issue 6
Arch. Anim. Breed., 53, 675–688, 2010
https://doi.org/10.5194/aab-53-675-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 53, 675–688, 2010
https://doi.org/10.5194/aab-53-675-2010
© Author(s) 2010. This work is distributed under
the Creative Commons Attribution 3.0 License.

  10 Oct 2010

10 Oct 2010

Effect of bovine colostrum on the serum insulin-like growth factor-I (IGF-I), the IGF binding proteins-2 and -3 and the thyroid hormones in weaning piglets

C. Boudry11, J.-P. Dehoux2, F. G. Colinet11,3, J. Wavreille4, D. Portetelle3, Y. Beckers11, and A. Théwis11 C. Boudry et al.
  • 11Animal Science Unit, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
  • 2Experimental Surgery Unit, Faculty of Medicine, Catholic University of Louvain, Brussels, Belgium
  • 3Animal and Microbial Biology Unit, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
  • 4Animal Breeding, Quality Production and Welfare Unit, Walloon Agricultural Research Centre, Gembloux, Belgium

Abstract. This study examined the effect of a bovine colostrum supplementation on growth performance, feed intake and the hormonal response of piglets at weaning. Ninety-six newly-weaned piglets were assigned for four weeks to one of the two treatments: Control (diet with bovine milk whey) and Colostrum (diet with bovine colostrum whey) treatments. The supplements were incorporated in a commercial diet at 20 g/kg during the first 2 weeks after weaning and lowered to 10 g/kg for the next 2 weeks. Body weight and feed intake were measured weekly. Blood samples were taken weekly for determination of circulating IGF-I, its binding proteins and the thyroid hormones (T3 and T4). During the first week of the trial, the Colostrum-fed piglets presented improved growth performance, feed intake and feed efficiency and a higher concentration in circulating IGF-I (+15 %) compared to the Control piglets. In both treatments, the circulating thyroid hormones were reduced by weaning and the levels measured at weaning were recovered earlier by the Colostrum-fed piglets compared to the Control group (P<0.05). It is concluded that hormonal response observed after the bovine colostrum supplementation is, at least in part, consequent of the positive action of bovine colostrum on the feed intake.

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