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Science 6 March 1981:
Vol. 211. no. 4486, pp. 1058 - 1060
DOI: 10.1126/science.211.4486.1058
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Articles

Sex-Biased Litter Reduction in Food-Restricted Wood Rats (Neotoma floridana)

POLLEY ANN MCCLURE 1

1 Department of Biology, Indiana University, Bloomington 47402

Mothers of eastern wood rats (Neotoma floridana) normally invest their lactation energy equally in male and female offspring, but alter that investment when their food is severely restricted during lactation. The effect of the altered investment is a significant bias against males in both mortality and growth.

Submitted on November 10, 1980


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