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EFFECT OF DIFFERENT LEVELS OF ZINC DEFICIENCY ON THE DEVELOPMENT OF FEMALE MICE AND THEIR FETUS / 营养学报
Acta Nutrimenta Sinica ; (6)1956.
Article in Chinese | WPRIM | ID: wpr-677319
ABSTRACT

Objective:

To determine the effects of different levels of zinc deficiency and zinc supplementation in the early stage of pregnancy on the development of the female mice and their fetus, and the lowest toxic level was also investigated. [WT5FZ]

Methods:

The model of zinc deficiency (ZD) was established on Kunmin mice and the experiment included two parts. Part one 36 female mice (14~18 g) were randomly divided into 3 groups, zinc deficient group (ZD); middle zinc group (ZM); normal zinc group (ZN). They were fed for 50 days and mated with male mice. Part two 80 female mice (25~30 g) were randomly divided into 4 groups, zinc deficient group (ZD); zinc suppplemented group (ZS); zinc marginally deficient group (MD); normal zinc group (ZN). They were fed 25 days for depleting the zinc store in body, then mated with male mice. All the pregnant mice were killed on the 18 th day of pregnancy. The content of zinc in diet for different levels groups were (3.0?0.5) mg/kg (ZD), 9 mg/kg (MD group), 15 mg/kg (ZM), 30 mg/kg (ZN).The mice in group ZS were fed ZD diet at first and then were changed to ZN diet at the 7 th day of pregnancy. [WT5FZ]

Results:

Part one 1. The zinc content in serum was lower in ZD group (P

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acta Nutrimenta Sinica Year: 1956 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acta Nutrimenta Sinica Year: 1956 Type: Article