[The spermatogenetic capacity of male beagles]

Daily, weekly and twice a week sperms were collected from 4 eighteen month aged Beagles for spermatologic and spermatogenetic examinations. The spermatologic results of 260 ejaculates showed in all parameters great differences. Sperm collection which were done twice a week showed a higher total amount of sperms than the daily and weekly collected ejaculates. Daily sperm collections taken over more than three weeks did not lead to a decreasing libido sexualis and were qualified for the evaluation of the daily sperm production ability of dogs.