Reproductive ability of pastel sables

详细

The article demonstrates the data on the reproductive ability of pastel and black sables under different breeding methods. The researches were carried out during two periods: in 2006–2009 and 2011–2014. During the first period, four groups of 2–6-year-old females were formed according to coloring: I — ♂ pastel × ♀ pastel; II — ♂ pastel × ♀ black; III — ♂ black × ♀ pastel; IV — ♂ black × ♀ black. During the second period, the females of all ages were selected and divided into three groups similar by the color to the animals of the groups I, II, and III. During the first period of the experiment in group I, there were 32 females, the kits crop per one successfully littered female totaled 2.77, that per the principal one totaled 1.98; that in group II totaled 55, 2.89, and 1.89 respectively; that in group III totaled 17, 2.93, and 2.41; that in group IV totaled 371, 3.08, and 1.98. During the second period, these indices totaled 27, 1.28, and 1.00 in group I; 93, 3.36, and 2.71 in group II; 62, 3.08, and 2.39 in group III.