… , male infertility and poor developmental outcomes have been reported in humans. Bulls used
for artificial insemination … enables the precise assessment of male fertility. This study was …

… In this study insemination records and semen parameters from a total of 45,532 ejaculates
were collected over a three-year period. The boar- and semen-related variance (direct boar …

… The case records were reviewed of all consecutive patients who were referred for donor
insemination at the Fertility Unit of the Middlesex Hospital in London between September 1981 …

… The timing of the insemination is based on the patient's previous menstrual records and on
… women, even though all of the donors were considered to be normal fertile males by our …

… In a New York survey, data from 9750 cows in 125 dairy herds on Dairy Herd Improvement
records showed a 50% pregnancy rate after one service compared with a 58% nonreturn rate.…

… Few studies estimate repeatability for female fertility because generally one record per
female is used. Heritabilities and repeatabilities obtained for male fertility were very low (about …

… Many in vitro manipulations of sperm in artificial insemination, of gametes in various assisted
… Fertility in AI was the return or non-return to service. A record system was devised in the …

… It provided a remarkable new system of recording breeding efficiency. Others had argued …
bull sperm to a synthetic peptide before artificial insemination increases fertility. J. Androl. …

… less than 1% of all records. Prolificacy was defined as the total number of kids born per litter
and was recorded at kidding. Table 1 shows the summary statistics for male fertility, F i , and …

… tion for insemination was not always stated in the records and, in some 32 cases in which
volume, density, and motility were normal, the therapy evidently was initiated because of …