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SOME OBSERVATIONS ON REPRODUCTION IN THE FEMALE AGOUTI, DASYPROCTA AGUTI

Summary.: Agoutis (Dasyprocta aguti) were investigated in the laboratory for comparison of their reproductive characteristics with those of other hystricomorphs. A vaginal closure membrane was present and the length of the oestrous cycle averaged 34·2±2·1 days. The ovaries and reproductive tracts of these animals, together with specimens obtained post mortem were studied and some correlations with physiological condition attempted. The ovary of the agouti is characterized by the presence of large numbers of accessory corpora lutea and by the extensive interstitial tissue which appears to replace completely the stroma of other mammals. Patches of 'immature testis tubules' were found in the ovaries of several animals.