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頁籤選單縮合
題 名 | 小黃腹鼠的生育狀況=Reproduction of "Rattus losea" Swinhoe in the Laboratory |
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作 者 | 王博優; 王瑞圖; | 書刊名 | 臺灣糖業公司研究所研究彙報 |
卷 期 | 170 2000.12[民89.12] |
頁 次 | 頁1-16 |
分類號 | 389.62 |
關鍵詞 | 小黃腹鼠; 室內繁殖; 生育狀況; 懷妊期; 子鼠數; Rattus losea; Breeding in captivity; Reproduction; Gestation; Number of young; |
語 文 | 中文(Chinese) |
中文摘要 | 為探討小黃腹鼠在室內之生育狀況,將雌、雄成鼠各一隻放入150l普力桶(長67cm、寬44cm、高53cm)內飼養,共配對12組,結果12隻雌鼠均懷妊生產,配對成功率100%。雌鼠最少生1胎,最多生16胎,平均每胎生育子鼠數為5、6隻,每胎最少生1隻,最多生10隻,但以生6-7隻較多,約佔46%。生育期最長約17個月(506天),共生13胎,總計生育子鼠85隻。而生產胎數最高者為16.2個月(485天)連續生產16胎,平均32.3天生一胎,總計生育子鼠81隻。每胎間隔平均為30.9-108天,最短為23天,故推算小黃腹鼠的懷姓期應為23天左右,子鼠通常在出生後第11-12天開眼,最快為第10天。 |
英文摘要 | The field rat Rattus losea Swinhoe was reared in the loboratory to study is reproduction with the aim of mass rearing during 1992 to 2000. Twelve females and males were paired, and each pair was caged in a 150 l plastic tank (67×44×35cm). All of the females tested were found pregnant, and they reproduced 1 to 16 litters with an average of 5.6 young per litter. The number of young per litter varied from 1 to 10, and 46% of the litters produced 6 to 7 young. The longest reproductive period lasted for 506 days, producing 13 litters with 85 young. One female produced 16 litters, the most, with a total of 81 young during a period of 485 days. The intervals of litter production were from 30.9 to 108 days, with the shortest being 23 days. It is estimated that the gestation of R. losea was about 23 days The newborn generally opened their eyes 11-12 days after birth, and the earliest on the tenth day. |
本系統中英文摘要資訊取自各篇刊載內容。