Dietary Zinc and Fibre Source can Influence the Mineral and Antioxidant Status of Piglets

Animals : an Open Access Journal From MDPI
Monika HolodováĽubomira Grešáková

Abstract

The study investigated the effect of dietary zinc glycine chelate and potato fibre on the absorption and utilisation of Zn, Cu, Fe, and Mn; the activity of Zn-containing enzymes (superoxide dismutase, SOD; alkaline phosphatase, ALP); and zinc transporter concentrations (metalothionein1, MT1; zinc transporter1, ZnT1) in tissues, with a special emphasis on the small intestine. Twenty-four barrows (Danbred × Duroc) were randomly allotted to four diets (supplemented with 10 g/kg of crude fibre and 120 mg Zn/kg) that consisted of cellulose and either zinc sulphate (C) or zinc glycinate (ZnGly), or contained potato fibre supplemented with ZnSO4 (PF) or ZnGly (PF + ZnGly). Feeding PF can influence the Zn absorption in the small intestine due to reduced zinc transporters MT1 and ZnT1 in the jejunum. The activity of antioxidant enzyme SOD and liver ZnT1, and duodenal iron concentrations were increased in the PF treatments. Dietary ZnGly did not significantly influence the Zn distribution, but it may alter the absorption of Fe and Mn. Given the elevated content of thiol groups and the Zn/Cu ratio in plasma, as well as the altered SOD activity and MT content in the tissues, we can conclude that feeding PF and ZnGly can influence the miner...Continue Reading

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Dec 6, 2018·Animals : an Open Access Journal From MDPI·Antonio Humberto Hamad MinervinoEnrico Lippi Ortolani

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Citations

Aug 28, 2020·Metallomics : Integrated Biometal Science·Haoxuan DingJie Feng
May 1, 2021·Animals : an Open Access Journal From MDPI·Arth David Sol Valmoria Ortega, Csaba Szabó
Nov 9, 2021·Frontiers in Veterinary Science·Katarína KuckováKlaudia Čobanová

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