食餌制限이 後孫의 成長 發達에 미치는 影響

Abstract

Thirty female and six male rate aged fourty days were livided into two groups in order to feed them by pair feeding for 50% dietary resrtriction in the pair group two weeks interval. Bach group contains 15 female and six male rats matched each rat between two group in consideration of body weight. Two famale groups, one fed by 50% restricted diet and other Ad Libitum were divided into four groups each by the duration of dietary restdiction during prognancy: First ten days dietary restriction at 50% level, Last ten dyas dietary restriction at 50%level, Distary restriction at 50%level for full period, And dietary unrestriction for full period, Urinary total nitrogen and creatinine were determined. The birth weights of offsprings were decreased partial and full period dietary restriction of pregnant rats. There was no significan t difference in the litter size of progeny due to the maternal diets. The growth was stunted in offsprings from the mothers fed restricted dier ar 50% level for full period of pregency. No effect in the boby weight gain of offsprings was observed in account of partial period of maternal springs from eight different groups did not show any statistically significant difference