
%0 Journal Article
%A Larter, NC 
%A Arcese, P 
%A Rajamahendran, R 
%A Gates, CC 
%T Measurement of immunoreactive progestins excreted in faeces as a potential indicator of pregnancy
%J Wildlife Research
%D 1993/11/01
%V 20
%N 6
%P 739-743
%K 
%R https://doi.org/10.1071/WR9930739
%U https://www.publish.csiro.au/paper/WR9930739 
%X 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. 
