Robertson H A, King G J, Elliot J I
Can J Comp Med. 1978 Jan;42(1):32-4.
Pregnant gilts and sows were given a single intramuscular injection of from 5-10 mg of prostaglandin F2alpha-tromethamine salt (dependent on liveweight) on day 111, 112 or 113 of pregnancy (first day of estrus = day 0) to induce parturition. When injected on day 111, 44% of the pigs farrowed within 40 hours compared with 93% injected on days 112 or 113. The mean time to the induced parturition was 27.3 +/- 4.7 hours. Signs of discomfort were observed during the first hour posttreatment but there were no apparent effects on lactation or on the mothering ability of the dams after farrowing.
在妊娠第111、112或113天（发情第一天=第0天），给怀孕的后备母猪和母猪肌肉注射一次5-10毫克的前列腺素F2α- tromethamine盐（剂量取决于体重）以诱导分娩。在第111天注射时，44%的母猪在40小时内产仔，而在第112或113天注射的母猪这一比例为93%。诱导分娩的平均时间为27.3±4.7小时。治疗后第一小时观察到不适迹象，但对泌乳或母猪产后的育仔能力没有明显影响。
