Estimation of reproductive performance of red and Polar fox females in the farms 1983-84 (in Poland)
1987
Frindt, A. | Bednarz, M. | Korneluk, B. (Szkola Glowna Gospodarstwa Wiejskiego - Akademia Rolnicza, Warszawa (Poland). Inst. Hodowli Zwierzat i Technologii Produkcji Zwierzecej)
The parameters of female reproductive performance: percent of non-mated females, of females killing their litters, the number of born and weaned puppies were estimated. The percent of barren females was higher in the Polar foxes, but the percent of non-whelped females was relatively high in both populations
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