@article{oai:soar-ir.repo.nii.ac.jp:00011151,
 author = {登内,  徳一郎},
 journal = {信州大学農学部学術報告},
 month = {Apr},
 note = {A study was made of the effects of temperature in semen upon the livability of boar spermatozoa. The method of obtaining semen from a boar was the use of artificial vagina. The experiment was designed to compare 3 lots of semen; original semen, egg yolk-phosphate and egg yolk-citrate diluters. The highest and lowest temperatutes at which the spermatozoa in original semen survived for a momentaly were 54°～56℃. and-6°～11℃. and in the casesdof two diluters they were 54°～56℃. and -13°～16℃., respectively. There was no difference as compared with original semen and diluted semens at a high temperature, however, differences between them were much at a low temperature. Motility of spermatozoa was remarkably obstructed at above 50℃. and sub-zero temperature. It was indicated that the livability of boar spermatozoa at a low temperature was less than that of cattle and horse spermatozoa. The optimum storoage temperature for boar spermatozoa in original semen as well as diluted semen was 15℃. Maximum survival length of time of spermatozoa in original semen was longer than that in diluted semen at a temperature of 15°～40℃., and at a high temperature which was above 45℃. found no differences between original semen and diluted one. At a low temperature which was below 5℃. in diluted semen showed efficient results for the maximum survival length of time of spermatozoa, and it has been determined that boar spermatoza were more resistant to lower temperature when the semen diluted with egg yolk diluter than when it cooled undiluted, and found buffer effects of diluted semen., Article, 信州大学農学部学術報告 5: 76-82(1956)},
 pages = {76--82},
 title = {家畜精子の保存に関する研究：1. 豚精子の活力並に生存に及ぼす溫度の影響},
 volume = {5},
 year = {1956}
}