PARASITE-ALTERED BEHAVIOR - IS THE EFFECT OF TOXOPLASMA-GONDII ON RATTUS-NORVEGICUS SPECIFIC

被引：87

作者：

BERDOY, M

WEBSTER, JP

MACDONALD, DW

机构：

[1] Wildlife Conservation Research Unit, Department of Zoology, University of Oxford, Oxford, OX1 3PS, South Parks Road

来源：

PARASITOLOGY | 1995年 / 111卷

基金：

英国自然环境研究理事会;

关键词：

TOXOPLASMA GONDII; RATTUS NORVEGICUS; EXPLORATORY BEHAVIOR; SOCIAL STATUS; DOMINANCE HIERARCHY; MATING BEHAVIOR; TESTOSTERONE;

D O I：

10.1017/S0031182000065902

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

The effect of Toxoplasma gondii on rat behaviour was assessed in a colony of 36 free-ranging wild/laboratory hybrid rats allowed to compete freely for food and mates in a (100 m(2)) outdoor naturalistic enclosure. T. gondii infection had no effect on social status or mating success, both the product of costly and competitive activities. However, the propensity to explore novel stimuli in their environment was higher in infected than uninfected individuals. These results are consistent with the hypothesis that T. gondii only affects the behavioural trails which selectively benefit the parasite, rather than causing a general alteration of rat behaviour.

引用

页码：403 / 409

页数：7

共 32 条

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