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頁籤選單縮合
題 名 | Body Weights of Sprague-Dawley Rats(II)--Comparative Analysis of Body Weights of Sprague-Dawley Rats in Two Nearby Colonies |
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作 者 | 居小燕; 畢萬邦; 李耿中; 吳應寧; | 書刊名 | An Asia Seasonly Report of Environmental Microbiology in the Republic of China |
卷 期 | 6 民86-87 |
頁 次 | 頁49-53 |
分類號 | 389.62 |
關鍵詞 | 鼠; 體重; Body weights; Sprague-Dawley rats; Rat colonies; |
語 文 | 英文(English) |
英文摘要 | In comparison of body weights of two nearby Sprague-Dawley Rat colonies, it is noticed that the average body weight of rats was attributed to the following factors: (1) Percentage of males in the colony influenced the average body weights since the adult males have higher body weights than females. (2) Pregnant females have higher body weights even in the early stage of pregnancy. (3) Age of the adult rats is an important factor. Those with the age older than 24 months likely had more than 20% body weights than those under 1 year old. (4) Percentage of very young rats also counts. Those under 6 months old have less body weights although they are able to reproduce already. Other than these, nutritional factor, diet formula etc. attributed a minor influence on the average body weight of the entire colony as a whole. Even diseases and experimental factors seem to be less important on account of the body weights of the rats in these colonies |
本系統中英文摘要資訊取自各篇刊載內容。