;

Bull testis photomi…

Fertility improveme…

Enos Perry, Rutgers…

Freezing semen by a…

Containers for froz…

Early artificial in…

First calf from US …

Bovine hydrosalpinx…

Bovine ovary with i…

Bovine cervix with …

Persistent corpus l…

Gravid uterus 60 da…

Gravid bovine uteru…

Bovine tract-fluid …

Bull sperm, abnorma…

Sperm diagram

Bull sperm enlarged

Bull testis photomi…

Dorso ventral vagin…

Spermatogenesis ani…

Variations in sperm…

Sperm tail abnormal…

Sperm with a protop…

Acrosomal changes w…