A text-book of veterinary obstetrics : including the diseases and accidents incidental to pregnancy, parturition and early age in the domesticated animals . judge by the instancesrecorded in veterinary literature, and it has been observed in the Mare,Cow, Sheep, Sow, Goat, and Bitch—in all the more important domesti-cated animals, in fact, and has often proved a very serious obstacle toparturition. 298 MATERXAL DYSTOKLA. Origin and Symptoms in Uniparous Animals. The symptoms and other features of this accident rather differ [inuniparous and multiparous animals. In such uniparous creatures asth
A text-book of veterinary obstetrics : including the diseases and accidents incidental to pregnancy, parturition and early age in the domesticated animals . judge by the instancesrecorded in veterinary literature, and it has been observed in the Mare,Cow, Sheep, Sow, Goat, and Bitch—in all the more important domesti-cated animals, in fact, and has often proved a very serious obstacle toparturition. 298 MATERXAL DYSTOKLA. Origin and Symptoms in Uniparous Animals. The symptoms and other features of this accident rather differ [inuniparous and multiparous animals. In such uniparous creatures asthe Mare and Cow, hernia of the uterus is generally not observed untilpregnancy is pretty well advanced—towards the eighth or ninth month,or even later in the Mare, and the seventh or eighth month in the delay is evidently due to the circumstance that, in the non-preg-nant animal, the uterus is small, and clnpoly fixed by its ligaments tothe sub-lumbar region; so that if Lhcro is a lircaeh in the abdominalwalls, it is either the intestine or omentum which pa-ses through , however, pregnancy is advanced, the groat size of the organ,. Fig. 84. Uterine Hernia : Mare. A, B, Hernial Tumour; C, Teat carried down bj the Tumour. together with its weight, brings it in contact with the parietes of theperitoneal cavity, and if there happens to be a weak part or a rupture,no matter how slight, the heavy uterus gradually forces itself through,and may in time escape altogether from the abdomen, along with otherviscera. It would seem that laceration of the abdominal walls may occur inother ways than through external traumatic influences, or any appre-ciable occasional cause ; and it would also appear that, in some animals,there is a kind of predisposing relaxation or softening of the abdominalmuscles, which leads to their being unable to support the graduallyincreasing strain thrown upon them by the heavy uterus, and its often-times very lively and energetic inmate. The musc
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