Organic zinc absorption by the intestine of broilers in vivo

The British Journal of Nutrition
Yu YuXugang Luo

Abstract

In Expt 1, a Zn-unsupplemented basal diet (control) and the basal diet supplemented with one of four different Zn sources, including ZnSO4, Zn-amino acid chelate with a weak chelation strength (Zn-AA W), Zn-protein chelate with a moderate chelation strength (Zn-Pro M) and Zn-protein chelate with a strong chelation strength (Zn-Pro S) were fed to broiler chickens from days 14 to 28. On day 28, Zn content in plasma from the hepatic portal vein increased (P0·05) and Zn-AA W(P<0·04) were higher than those for ZnSO4. These findings indicate that organic Zn absorption (especially Zn-Pro S) in intact living broilers was more effective than that of inorganic Zn; organic Zn absorption in the ligated duodenal segment was a saturable carrier-mediated process similar to that of ZnSO4. Moreover, except for MT, there might be other Zn transporters involved in Zn absorption that are affected by different Zn sources.

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Citations

Oct 11, 2017·Journal of the Science of Food and Agriculture·Katarzyna Skrypnik, Joanna Suliburska
Dec 11, 2019·Journal of Tropical Pediatrics·Lakkana Rerksuppaphol, Sanguansak Rerksuppaphol
Feb 13, 2019·Biological Trace Element Research·Katarzyna SkrypnikJoanna Suliburska

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