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Variation of erythrocyte glutathione peroxidase activity in Finn sheep
Ist Teil von
Research in veterinary science, 1981-11, Vol.31 (3), p.267-271
Ort / Verlag
England: Elsevier Ltd
Erscheinungsjahr
1981
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
Erythrocyte glutathione peroxidase (GSH-Px) which was analysed on a flock of Finn sheep (266 sheep) showed variahle activity despite the same diet and selenium intake. Mating experiments suggested that the GSH-Px activity was genetically determined. The low GSH-Px animals showed better performance as shown by a significantly reduced mortality rate of their offspring. Evidence of larger weight gain and wool production in the low GSH-Px sheep was obtained. The GSH-Px activity slightly decreased with age. The erythrocyte GSH-Px activity did not show much correlation with other genetical markers such as the potassium type, GSH type, haemoglobin type or sex. It is proposed that the low GSH-Px may represent an adaptation to low selenium intake.