Impact of long-term supplementation of zinc and selenium on their content in blood and hair in goats
L. Pavlata, M. Chomat, A. Pechova, L. Misurova, R. Dvorak
https://doi.org/10.17221/1581-VETMEDCitation:Pavlata L., Chomat M., Pechova A., Misurova L., Dvorak R. (2011): Impact of long-term supplementation of zinc and selenium on their content in blood and hair in goats. Veterinarni Medicina, 56: 63-74.in all groups. No conclusive relation was confirmed between the values of Zn in hair and its concentration in blood. The Se concentration in whole blood (µg/l) at the end of trial in supplemented groups (F – 188.8 ± 24.6; G – 197.2 ± 10.9; H – 190.1 ± 26.3) was significantly higher (P < 0.01) than in the control group (E – 103.1 ± 23.5). Similarly, the activity of GSH-Px (µkat/l) was significantly higher in all supplemented groups (F – 872.3 ± 94.8; G – 659.5 ± 176.4; H – 839.8 ± 150.8) than in the control group (E – 379.1 ± 63.5). Se content in hair (µg/kg) was higher also in all trial groups (F – 242.3 ± 41.5; G – 200.5 ± 46.9; H – 270.0 ± 106.8) than in the control group (E – 174.7 ± 38.0). However, it was significantly (P < 0.05) higher only in Group F. A conclusive correlation was identified between the Se concentration in whole blood and its content in hair (r = 0.54; P < 0.05; n = 20). Based on the results it can be concluded that none of the supplemented forms of Zn increased its concentration in blood, plasma and hair. On the other hand, the administration of Se led to an increase in the Se concentration in blood, increased the activity of GSH-Px in whole blood and the Se content in hair. Based on the proven correlation and regression relation between the Se concentration in blood and its content in hair, hair can be considered as a suitable material for the diagnosis of long-term Se status in goats. Goats with sufficient Se status are those that have more than 160 µg/kg of Se in hair dry weight.
trace element; glutathione peroxidase; organic selenium; inorganic selenium; organic zinc; inorganic zinc; ruminants; metabolism
Impact factor (WoS):
2020: 0.565
Q4 – Veterinary Sciences
5-Year Impact Factor: 0.883
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