BLOOD PLASMA PROGESTERONE LEVELS DO NOT CORRELATE WITH LITTER SIZE IN THE AMERICAN MINK (Neovison vison)
Journal Title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica - Year 2018, Vol 47, Issue 343
Abstract
The aim of the study was to test whether there is a relationship between the plasma concentration of progesterone in a given stage of pregnancy and the litter size at birth. The study was carried out on a mink farm located in western Poland. Blood samples for analyses were drawn from year-old White Hedlund (WH) females. Samples were collected from 30 females, first on 22 February, i.e. before the mating season, and on 12 April, from pregnant females, about 3 weeks before expected parturitions. Plasma progesterone levels revealed a high individual variability within the studied group of mink. No significant correlation was found between blood plasma progesterone in pregant females and the average litters size at birth.
Authors and Affiliations
Beata SEREMAK, Marta DWORECKA-BORCZYK, Lidia FELSKA-BŁASZCZYK, Bogdan LASOTA
Keywords
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