The analysis of reproduction traits of polar foxes in relation to the age of females and the type of vaginal mucus resistance curve
2005
Kubacki, P. | Smektala, I. | Kubacki, S. (Akademia Techniczno-Rolnicza, Bydgoszcz (Poland). Zaklad Hodowli Koni i Zwierzat Futerkowych)
The analysis of reproduction traits was carried out at the Fur Animal Farm number B-256 in 2001. It has been proved that one year old vixens, in comparison to the two years old and older, had later mean term of measure of the vaginal mucus resistance in 0-Day (that is around 28th March) and the smallest resistance expressed in ohm (698.4). The highest fecundity (the number of born and weaned puppies) had three, four and five years old vixens. The vixens with early estrus irresepectivelly of the type of curve had a higher value of the uterus vaginal mucus resistance expressed in ohm and the calculated correlation was stastically significant or very significant. No significant correlation has been noticed between mucus resistance in 0-Day (in ohm) and the number of born puppies in relation to the age of a vixen and type of the mucus resistance curve
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