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Effect of different sources and levels of iron in the diet of sows on iron status in neonatal pigs

Animal Nutrition 2018年第2期4卷 197-202页

作者： Yan Li Weiren Yang Donghua Dong Shuzhen Jiang Zaibin Yang Yuxi Wang Department of Animal Sciences and Technology Shandong Agricultural University Agriculture and Agri-Food Canada Lethbridge Research Centre

This study was conducted to determine the effects of maternal dietary supplementation of ferrous glycine chelate(Fe-Gly) and ferrous sulfate monohydrate(FeSO_4·H_2O) on the relative organ weight, tissue iron contents, red blood cells(RBC), hemoglobin concentration(HGB) and hematocrit(HCT) in blood, as well as ferritin(Fn), serum iron(SI), and total iron binding capacity(TIBC) in serum of newborn ***-five sows(Landrace × Large white, mean parity 3 to 4, no significant differences in BW) were randomly allotted to 9 treatments(n=5 sows/treatment): control(basal diet with no Fe supplementation), the basal diet supplemented with 50, 80, 110 or 140 mg Fe/kg as Fe-Gly, and the basal diet supplemented with 50, 80, 110 or 140 mg Fe/kg as FeSO_4·H_*** neonatal piglets(n=45) were used to determine the relative organ weight, tissue iron contents and blood biochemical *** with the control, the relative weight of spleen and kidney were significantly increased(P iron contents in liver,spleen, kidney and femur were also found increased(P iron content in liver, spleen, kidney and femur, RBC(d 1) and HGB(d 21) in blood, and SI(d 1)in the Fe-Gly groups increased(P iron content in liver, spleen, kidney and femur, RBC(d 1 and 21),HGB(d 1 and 21) and HCT(d 1 and 21) in whole blood, SI(d 1) and TIBC(d 1 and 21) in the Fe-Gly groups were observed(P < 0.05).Linear responses of Fn(d 1 and 21) and SI(d 21) in the Fe-Gly groups, and spleen relative weight, HCT(d 1), Fn(d 1) and TIBC(d 1 and 21) in the FeSO_4·H_2O groups were observed(P < 0.05).These findin

关键词： Piglets Ferrous glycine chelate Ferrous sulfate monohydrate Relative organ weight tissue iron contents Blood biochemical indices

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