安龙县农区褐家鼠形态特征和种群繁殖参数的年龄变化  

Age Change of Morphological Characteristics and Population Reproduction Parameters of Rattus Norvegicus in Agricultural Area of Anlong County

作　　者：韦应敏 李定超 留青 杨德辉 韦应红 WEI Yingmin(Anlong County Plant Protection Phytosanitary Statio,Anlong 552400,China)

机构地区：[1]安龙县植保植检站,贵州安龙552400 [2]安龙县土肥站,贵州安龙552400

出　　处：《安徽农学通报》2021年第13期34-36,46,共4页Anhui Agricultural Science Bulletin

摘　　要：对2013—2020年贵州省安龙县229只褐家鼠形态特征和种群繁殖参数的年龄变化规律进行了研究,结果表明,褐家鼠最高体重539.60g,最低体重11.80g,平均体重(121.36±70.11)g,平均胴体重(95.14±58.02)g;平均体长(152.84±31.94)mm,平均尾长(133.12±28.99)mm,体长为尾长的1.15倍;平均后足长(31.73±4.56)mm,平均耳长(18.47±2.23)mm。不同性别形态特征无显著差异,雌雄鼠个体间在当地基本保持一致的生长速度。不同年龄组之间形态特征差异极显著。随着种群年龄的增长,种群繁殖能力不断增强,主要繁殖群体为成年Ⅱ组、老年组和成年Ⅰ组。The age variation law of morphological characteristics and population reproduction parameters of 229 Rattus norvegicus in Anlong County,Guizhou Province from 2013 to 2020 was studied.The results showed that the highest weight of Rattus norvegicus was 539.60g,the lowest weight was 11.80g,the average body weight was(121.36±70.11)g,the average carcass weight was(95.14±58.02)g,and the average body length was(152.84±31.94)mm.The average tail length is(133.12±28.99)mm,the body length is 1.15 times of the tail length,the average hind foot length is(31.73±4.56)mm,and the average ear length is(18.47±2.23)mm.There is no significant difference in morphological characteristics between different sexes,and the growth rate between male and female mice is basically consistent in the local area.There are significant differences in morphological characteristics among different age groups.With the increase of population age,the reproductive ability of the population has been enhanced,and the main reproductive groups are adult groupⅡ,elderly group and adult groupⅠ.

关 键 词：褐家鼠 形态特征 繁殖参数 年龄变化 安龙县 

分 类 号：S443[农业科学—农业昆虫与害虫防治]