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SOME OBSERVATIONS ON REPRODUCTION IN THE FEMALE GREEN ACOUCHI, MYOPROCTA PRATTI

Summary.: Acouchis (Myoprocta pratti) were investigated in the laboratory for comparison of their reproductive characteristics with those of other hystricomorphs. In this colony, the oestrous cycle length averaged 42·7±2·5 days; there was some indication of the existence of a summer and a lactation anoestrus. The gestation period was 99 days. The ovaries and reproductive tracts of these animals, and from animals obtained post mortem, were studied to complement a previous report on the ovarian histology in the acouchi. The presence of numerous accessory corpora lutea was confirmed but little interstitial tissue was found. Several ovaries contained groups of'immature testis tubules'.