Pettersson A, Einarsson S, Kindahl H
Department of Obstetrics and Gynaecology, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Uppsala.
Acta Vet Scand. 1993;34(2):109-16. doi: 10.1186/BF03548198.
The purpose of this study was to investigate if an intrauterine deposition of saline, boar seminal plasma, or an oestrogen solution containing 11.5 micrograms oestrogens affected the intraluminal pressure in the isthmus of the oviduct in unrestrained gilts. In order to monitor variations in intraluminal pressure, 2 ultra-miniature pressure sensors, located at 2 different points along the same isthmus were used. After an initial recording period, either saline, boar seminal plasma, or the oestrogen solution was deposited directly into the uterus. Intraluminal pressure recordings were conducted up to 6 h after insemination, and blood samples, for monitoring oestradiol-17 beta and 15-ketodihydroprostaglandin F2 alpha levels, were collected. None of the inseminates had any consistent effect on the intraluminal pressure in the porcine oviduct. After deposition of the oestrogen solution, increases in the circulating levels of both oestradiol-17 beta and 15-ketodihydroprostaglandin F2 alpha were seen.
本研究的目的是调查在未受限的后备母猪中，向子宫内注入生理盐水、公猪精浆或含有11.5微克雌激素的雌激素溶液是否会影响输卵管峡部的腔内压力。为了监测腔内压力的变化，使用了2个超微型压力传感器，它们位于同一峡部的2个不同点。在初始记录期后，将生理盐水、公猪精浆或雌激素溶液直接注入子宫。授精后长达6小时进行腔内压力记录，并采集血样以监测雌二醇-17β和15-酮二氢前列腺素F2α水平。所注入的物质均未对猪输卵管的腔内压力产生任何一致的影响。注入雌激素溶液后，观察到雌二醇-17β和15-酮二氢前列腺素F2α的循环水平均升高。
