RESEARCH NOTE - BIOAVAILABILITY OF ZINC-METHIONINE FOR CHICKS

被引:52
作者
PIMENTEL, JL [1 ]
COOK, ME [1 ]
GREGER, JL [1 ]
机构
[1] UNIV WISCONSIN,DEPT NUTR SCI,MADISON,WI 53706
关键词
ZINC-METHIONINE; ZINC OXIDE; COPPER; IRON; CHICK GROWTH;
D O I
10.3382/ps.0701637
中图分类号
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号
0905 ;
摘要
Two experiments were conducted to determine the bioavailability of zinc from zinc oxide and zinc-methionine complex in 560 chicks fed semipurified diets (Experiment 1) or corn and soybean meal-based diets (Experiment 2). Zinc intakes varied from 8 to 88-mu-g zinc/g diet. The source of zinc did not affect growth; tibiotarsus and liver zinc, copper, and iron concentrations; or immune function. Pancreatic zinc tended to be greater when the zinc-methionine complex rather than zinc oxide was fed. Levels of zinc intake affected growth, tibiotarsus and pancreatic zinc concentrations, and tibiotarsus copper concentrations.
引用
收藏
页码:1637 / 1639
页数:3
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