Bisoniana LXXV. Spermatogenesis in backcross generations of European bison and domestic cattle hybrids

The paper presents the results of histomorphological studies on the testes of European bison and domestic cattle hybrids (6 individuals of generation B2 - 1/8 European bison; 1 B3 1/16 European bison; 1 F1). A morphological description of the testes is given and the course of spermatogenesis traced.