SUMMARY

Abstract

The following article is a summary of research on the influence of season on the reproductive processes in undomesticated animals. The results presented below show: a / an annual hormonal profile of domestic pig and wild boar crossbreed and the antioxidant blood system in the different seasons, b / the possibility of gonadptropic hormone stimulation in chinchillas which are in diestrus or infertile, c / the possibility of using bison’s semen (collected