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Volume 57, issue 1
Arch. Anim. Breed., 57, 3, 2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 57, 3, 2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

  01 Jan 2014

01 Jan 2014

Glucose infusion response on some metabolic parameters in dairy cows during transition period

Enrico Fiore1, Matteo Gianesella1, Francesca Arfuso2, Elisabetta Giudice2, Giuseppe Piccione2, Marcello Lora1, Annalisa Stefani3, and Massimo Morgante3 Enrico Fiore et al.
  • 1Department of Animal Medicine, Productions and Health (MAPS), University of Padua, Legnaro, Italy
  • 2Department of Veterinary Sciences, University of Messina, Polo Universitario dell'Annunziata, Messina, Italy
  • 3Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy

Abstract. The aim of this study was to evaluate the effect of glucose tolerance test (GTT) on glucose, insulin, non-esterified fatty acids (NEFA) and β-Hydroxybutyrate (BHB) concentration in dairy cows during prepartum and postpartum period. Forty Two clinically healthy Holstein cows were enrolled in two high producing dairy farms in the Northeast Italy. All animals were divided into two equal groups on the basis of the farm of origin: Group A (farm located in Vicenza) and Group B (farm located in Padua). Body condition score (BCS) was determined for both groups. GTT was performed 7 ± 5 days before and 7 ± 5 days after calving. Blood samples were collected from each animal before (T0) and after the administration of glucose at different times. Plasma concentration of glucose, insulin, NEFA and BHB was evaluated. Application of two way analysis of variance (ANOVA) showed no significant effect of farm and a significant effect of transition period (prepartum and postpartum) on BCS for both groups. Multivariate analysis of variance (MANOVA) was applied to determine significant effects of infusion glucose time, transition period and farm on glucose, insulin, NEFA and BHB. No significant difference was observed between Groups A and B and a significant effect of transi tion period and glucose infusion was found on all parameters studied. Results confirm that glucose is an important direct controller of metabolic response in dairy cows during the transition period because of the inappropriate energetic supply that characterizing this physiological phases.