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Effects of water Salinity on milk Production and Several blood constituents of Barbarine Sheep in a Semi arid Climate

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Author Affiliations

  • 1Institut National de la Recherche Agronomique de Tunisie / Laboratoire des Productions Animales et Fourragères
  • 2 Centre International de la Recherche Agronomique des Régions Arides

Int. Res. J. Earth Sci., Volume 3, Issue (4), Pages 1-4, April,25 (2015)

Abstract

Seventy lactating sheep were allotted into two groups (n=35). One group was offered potable water (5% NaCl) and another group was offered saline water containing 10% NaCl. Sheep were used to evaluate the influence of high drink salty water on milk yield, chemical and physical characteristics and metabolites blood concentrations. There are no significant effect of water salinity on milk yield, milk composition of fat and lactose and serum concentrations of glucose, total protein, uric acid, creatinine and -GT (P>0.05). Milk production on the 30 days of lactation for S-sheep was rich with protein, urea nitrogen concentrations (P<0.05) and low in mean somatic cells, pH, salinity and conductivity (P<0.001). Moreover, consuming saline water decreased serum triglyceride and cholesterol concentrations during the first month of lactation (P<0.05) and serum urea concentration during the second month (P<0.01).

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