title: Selenium concentration in the blood and wool and glutathione peroxidase activity in the blood of three breeds of sheep.
abstract: The activity of the enzyme glutathione peroxidase (GSH-Px) in whole blood and the selenium concentrations in whole blood and wool were measured in samples taken from 15 Scottish Blackface, 16 Welsh Mountain and 16 Finnish landrace sheep. Blood selenium sheep had almost twice the GSH-Px activity and blood selenium concentration of the other two breeds (P less than 0.001). Wool selenium concentrations of the three breeds were not significantly different. Blood selenium concentration and GSH-Px activity were highly correlated (r = 0.8, P less than 0.01) but wool selenium concentration was not significantly correlated with either of these measurements.
mesh_terms: D000818:Animals; D005260:Female; D014644:Genetic Variation; D005838:Genotype; D005979:Glutathione Peroxidase / Q000097:blood*; D010544:Peroxidases / Q000097:blood*; D012643:Selenium / Q000032:analysis* / Q000097:blood; D012756:Sheep / Q000097:blood / Q000235:genetics / Q000378:metabolism*; D014935:Wool / Q000032:analysis*
chemical_list: D010544:Peroxidases; D005979:Glutathione Peroxidase; D012643:Selenium