Comparison of selected characteristics of fertility in different lines of fish Poecilia reticulata

The aim of the study was to compare selected characteristics of fertility in different lines of fish Poecilia reticulata. Among the selected characteristics of female fertility were the length and number of births. The experimental work was conducted in the period from March 2013 to February 2014. Were observed in three lines. Fish tested were deployed in 15 pairs from each line into three tanks, which is then reproduced. Length of females was assessed at birth and number of births. The results of this work show that while the lines Magdalenas and Wingei-Endleri was the influence of the number of female births indicated as statistically significant, in line Inirida as statistically significant was not approved.