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BIBTEX RIS

Ecologia de pequenos mamíferos silvestres da Mata Atlântica, Brasil: I. ciclos reprodutivos de Akodon cursor, Nectomys squamipes e Oryzomys nigripes (Rodentia, Cricetinae)

1993; Sociedade Brasileira de Zoologia; Volume: 10; Issue: 3 Linguagem: Inglês

10.1590/s0101-81751993000300003

ISSN

1806-969X

Autores

Luiz Antônio de Souza Pereira, Walker André Chagas, Josete Esteves da Costa,

Tópico(s)

Animal Behavior and Reproduction

Resumo

REPROOUTIVE CYCLE OF AKODON CURSOR, NECTOMYS SQUAMIPES ANO ORYZOMYS NIGRIPES (ROOENTIA, CRICETINAE).ln this work are determined lhe productive periods and the number of fixed embl)'os/pregnancy in the species of non-nying small mammals in four different stages of regeneration of the Atlantic Forest in Silva Jardim and Casimiro de Abreu (Rio de Janeiro).Akodon cursor, Nectornys squarnipes and Oryzornys nigripes showed repeated oestrus in ali seasons.To A. cursor the average number in ten parturitions was of 3.6 youngs; in six parturitions N. squarnipes and O. nigripes it was of 3.5 and 4.0youngs, respectively.ln these three species, the embl)'os fixed rather in the right horn of the uterus.

Referência(s)
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Revista Brasileira de Zoologia
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