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Ecology, management and conservation in natural and modified habitats
RESEARCH ARTICLE

Measurement of immunoreactive progestins excreted in faeces as a potential indicator of pregnancy

NC Larter, P Arcese, R Rajamahendran and CC Gates

Wildlife Research 20(6) 739 - 743
Published: 1993

Abstract

We measured the concentration of immunoreactive progestins extracted from 41 faecal samples of female wood bison (Bison bison athabascae) as a potential indicator of pregnancy. The concentration of faecal progestins fell into two distinct groups, with an approximate 4-fold difference in mean progestin level (1391.9ng g-1 and 58269ng g-1). We suggest that measuring progestin concentration in the faeces of free-ranging animals is a non-invasive method that could be used to assess pregnancy rate.

https://doi.org/10.1071/WR9930739

© CSIRO 1993

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