Atjeh and others like him have been vasectomized, tubally ligated or implanted with heavy-duty birth control treatments.
12.
In the case of Gracie and Regina, handlers suspect Shaun, one of three males vasectomized to prevent breeding.
13.
The vast majority of sperm granulomas in vasectomized men are present as a result of the pressure-induced changes of vasectomy.
14.
Calling was suppressed and o�cyte growth was stimulated by the presence of a spermatophore, by the implantation of a spermatophore and by mating with vasectomized males.
15.
If possible, the zoo will try to use hair samples for the DNA testing and will be checking all the vasectomized males to see which one is Toshi's father.
16.
It's very easy for me to understand how a vasectomized male can orgasm and ejaculate, but I still can't see how it's possible for a castrated male to do so.
17.
Pig semen, like EPF, has been shown to inhibit rosette formation-the rosette inhibition test was positive for one day in sows mated with a vasectomized boar, but not in sows similarly stimulated without semen exposure.
18.
Then there is what Barbara Seaman, the author of " The Doctors'Case Against the Pill, " calls her Modest Proposal : " Probably the easiest thing would be to vasectomize males at the age of 13 after freezing some of their sperm.
19.
Three of the zoo's six males aren't vasectomized, but they include 4-year-old Glenn and Ripley, 2, both of whom are too young to reproduce, said Bingaman, who estimates that males are mature enough to reproduce at about age 5.
