Environmental Modification of Œstrus in the Vole


THE reproductive processes of the field vole, Microtus agrestis, have previously been investigated by Brambell and Hall1. Their material was obtained from animals caught in the wild and they concluded that the vole was polyœstrous and exhibited spontaneous ovulation.

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  1. 1

    Brambell, F. W. R., and Hall, K., Proc. Zool. Soc., 109, 133 (1939).

  2. 2

    Eckstein, P., and Zuckerman, S., Mem. Soc. Endocrinol., No. 4, 114 (1955).

  3. 3

    Chitty, D., “The Numbers of Man and Animals”, edit. by Cragg, J. B., and Pirie, N. W., 57 (Oliver and Boyd, Edin., 1955).

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CHITTY, H., AUSTIN, C. Environmental Modification of Œstrus in the Vole. Nature 179, 592–593 (1957) doi:10.1038/179592a0

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