Veterinary obstetrics, including the diseases of breeding animals and of the new-born . genitalcanal or entangled in some way in the fetal membranes, is drawnfarther to one side, until it becomes caught between the side ofits body and the wall of the uterus or vagina. When this oc-curs it is highly improbable that delivery can proceed spontane-ously, but instead the head tends to become farther and farther 766 Veterinary Obstetrics deviated as the body of the fetus is pushed more and more for-ward. Finally the neck is doubled directly backward as far aspossible from the shoulder, and the head
Veterinary obstetrics, including the diseases of breeding animals and of the new-born . genitalcanal or entangled in some way in the fetal membranes, is drawnfarther to one side, until it becomes caught between the side ofits body and the wall of the uterus or vagina. When this oc-curs it is highly improbable that delivery can proceed spontane-ously, but instead the head tends to become farther and farther 766 Veterinary Obstetrics deviated as the body of the fetus is pushed more and more for-ward. Finally the neck is doubled directly backward as far aspossible from the shoulder, and the head lies far back in the flank. The diagnosis of this deviation usually offers little generally needs to be differentiated from onh the two succeedingforms of deviation, the downward and upward displacements. First, the operator must identify the two anterior limbs, oneor both of which are ordinarily in the passages. Having accom-plished this, he is yet to determine whether the head is deviatingupward or downward, or, if laterally, whether it be to the rightor to the Fig. 133. Lateral Deviation of the Head. (St. Cvr. ) The determination of the direction is not always easy. If thehead can be reached, that decides the question. When the headcannot be reached with the hand, the diagnosis becomes moredifficult. As a general rule it is only in the foal that the headcannot be reached and examined with the hand, and in the foalwe are aided by the presence of the somewhat prominent the head is bent laterally and the operator passes his hand asfar as possible along the presenting portion of the fetus, he willusually be able to identify the withers. From this point, turning Lateral Deviation of the Head ]6] either to the left or the right and then backwards, he may tracethe top of the neck, bearing the mane. At the lower margin ofthe neck, the operator will usually be able to identify the one direction he can trace this to its point of disappearancewit
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