In the 2 pigeon houses with vasectomized
males, a total of 563 eggs were laid.
Adult females (3 to 5 years old): three groups of two pluriparous females and one vasectomized
male, and two groups of two pluriparous females kept isolated without a male.
The evaluation of both the vasectomized
and the nonvasectomized liquid semen dilutions using the Seratec[R] PSA Semiquant membrane indicated that the concentration at 1:400,000 was greater than the 4ng PSA/ml internal standard marker and that the concentration at 1:500,000 was less than the 4ng PSA/ml internal standard marker.
They selected eight territorial red-winged males for the experiment and removed the eggs from the females who lived on the territories of the vasectomized
males so that the females would need to mate again.
So, if the partner of a vasectomized
man later becomes pregnant, one should assume that the pregnancy was a result of a failed vasectomy rather than infidelity.
As a side note, Hamilton used a vasectomized
buck to determine if does were receptive.
In the case of Gracie and Regina, handlers suspect Shaun, one of three males vasectomized
to prevent breeding.
A biopsy device originally designed to obtain samples of prostate tissue has been modified to retrieve sperm from the testicles, allowing vasectomized
men to father children without having to undergo surgery.
patient had become a "couch potato" following severe local complications that included prolonged testicular pain and discomfort.
Concern arose in the family planning community in February 1993 when two studies published in the Journal of the American Medical Association concluded that vasectomized
men are at an increased risk of developing prostate cancer.
Six of the animals were females and four were males that had been vasectomized
to limit the number of cougar genes added to the panther population.
Female deer were divided into three groups: one exposed to roaring recordings, one that included a male that was vasectomized
to prevent impregnation of the female, and a third isolated from both males and roaring.
A recent publication reported Zika virus RNA in the ejaculate of a vasectomized
man 96 days after onset of symptoms in addition to infectious virus cultured at 69 days (25), suggesting that previous vasectomy does not necessarily preclude the possibility of viral RNA or infectious virions in the semen.
Surrogate females were NMRI females mated with vasectomized
males of the same strain.
red-winged blackbird males, (1) zebra and Bengalese finch males, (6) Eastern bobwhite quail (Colinus virginianus) males, (2) and Japanese quail males (7) were paired up with females and allowed copulation and egg laying.