Effect of crowding on some physiological and behavioral variables in adult male rats

A. Armario, R. Ortiz

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    Resum

    The effect of two population densities on body weight gain, food and water intake and the weight of some organs and glands was studied in adult male rats. Behavioral reactivity to open field was also assessed. Crowded rats (10 animals per cage) showed lower body weight gain than control rats (3 per cage) throughout all the experimental period. Crowding decreased food intake and increased water intake. Any effect of crowding on the weight of thymus, liver and endocrine glands (except testes) was found. Open field defecation and activity were the same in control and crowded rats. Discrepancies from earlier works could likely be due to methodological differences and these are discussed in the text. © 1984.
    Idioma originalEnglish
    Pàgines (de-a)35-37
    RevistaPhysiology and Behavior
    Volum32
    DOIs
    Estat de la publicacióPublicada - 1 de gen. 1984

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