Effects of selenium sources on blood and milk selenium concentration, glutathion peroxidase concentrations, and somatic cell count in Quebec dairy herds

Authors

  • Noureddine Jinane Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7
  • Nicolas Tison Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7
  • Luc DesCôteaux Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7
  • Alain Fournier Ministry of Agriculture, Fisheries and Food of Quebec, Québec, Canada, G1K 7Y7
  • Yvon Couture Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7
  • Younès Chorfi Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7

DOI:

https://doi.org/10.21423/aabppro20123976

Keywords:

selenium, organic, mastitis, somatic cell count

Abstract

Quebec is a selenium-deficient area (0.06 - 0.33 ppm) and most dairy farmers supplement their cows' rations with an inorganic form of selenium (Se); however, several studies have shown that organic Se is more effective in preventing mastitis, although most of these studies were conducted under controlled conditions with a limited number of cows. The objective of this study was to evaluate the effects of organic and inorganic Se on somatic cell count (as an indication ofmastitis) for a large number of cows under field conditions.

Author Biographies

Noureddine Jinane, Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7

veterinary sciences

Nicolas Tison, Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7

residency student - clinical sciences departement

Luc DesCôteaux, Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7

Professeur titulaire - clinical sciences departeme

Yvon Couture, Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7

Visiting professor at the biomedecine departement

Younès Chorfi, Faculty of Veterinary Medecine, Montreal University, Montreal, Quebec, H3C 3J7

assistant professeur

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Published

2012-09-20

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