棕色田鼠食性食量的研究

Study on food habits and food consumption of mandarin vole (Microtus mandarinus) in agriculture area on loess plateau in west of Henan

用人工室内饲养和野外实地观察的方法，对棕色田鼠的食性食量进行了初步研究．结果表明，棕色田鼠啃食多种农作物和大部分田间杂草，约有 １６ 个科近 ４０ 种．棕色田鼠日食量平均为 ３１８４ ｇ，对某种食物日食量存在着明显的季节变化．日食量与体重呈正相关。

Mandarin vole is one species of primary destructive rodents in agriculture and orchard in the west of Henan.From August 1993 to March 1995,the auther studied the food habits,food consumption of mandarin vole at Chengcun country, Lingbao city,Henan province.The average food consumption of mandarin vole is 31.84 gram per day.The body weights is correlative with the food consumption of mandarin vole except old age groups.The food consumption have some seasonal changes.In the sub adults and adults age groups female's food consumption is bigger than the male's.The food habits of mandarin vole is comparatively wide.Many kinds of crops,vegetables and weeds are its food.According to the food preference level to 16 families 40 species plants,it is found that mandarin vole has a preference for 13 species,like 15 species,can accept 7 species and refuse 5 species.