Reproductive performance of the wild collared peccary (Tayassu tajacu) female in the Peruvian Amazon |
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| Authors: | Pedro Gines Mayor Richard E Bodmer and Manel Lopez Bejar |
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| Institution: | (1) Department of Animal Health and Anatomy, Universitat Aut?noma de Barcelona, Bellaterra, 08193, Spain;(2) Durrell Institute of Conservation and Ecology, University of Kent, Canterbury, Kent, UK |
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| Abstract: | Based on the gross anatomic examination of 218 adult female reproductive tracts, we characterised the reproductive biology
of the wild collared peccary in the Northeastern Peruvian Amazon. Collared peccary apparently breed year round in the Northeastern
Peruvian Amazon and the number of pregnant females was 92 (42.2%). Estimations suggest 1.12 births/year and a yearly reproductive
production of 1.98 piglets per pregnant female. Collared peccary females presented a mean ovulation rate of 2.25 ± 0.58 CLs,
a litter size of 1.77 ± 0.48 embryos or foetuses and a reproductive wastage of 0.45 ± 0.65 (21.3%) oocytes or embryos per
pregnant female. A phenomenon of embryo migration was observed in 31.8% of pregnant females. This study provides reproductive
information that should be taken into account in management plans. |
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