Veterinary obstetrics, including the diseases of breeding animals and of the new-born . rare to meet with instances in the calf and foalin which the two anterior feet present in their normal positionand appear at the vulva, accompanied generally by the nose,which is advanced to nearly the same degree as the feet them-selves. At first glance the position seems to be essentially normal,. Fig. 130. Incomplete Extension ok Anterior , when the fetus has reached the point where the feet and noseare visible, its advance becomes checked and the expulsive effortsof the mother are quite unavail
Veterinary obstetrics, including the diseases of breeding animals and of the new-born . rare to meet with instances in the calf and foalin which the two anterior feet present in their normal positionand appear at the vulva, accompanied generally by the nose,which is advanced to nearly the same degree as the feet them-selves. At first glance the position seems to be essentially normal,. Fig. 130. Incomplete Extension ok Anterior , when the fetus has reached the point where the feet and noseare visible, its advance becomes checked and the expulsive effortsof the mother are quite unavailing to cause any further interpretation of this condition varies somewhat with dif-ferent writers. Fleming says : It is usually due to the shouldersnot being closely applied to the chest of the fetus, and the elbows, Abnormal Presentations of the Fetus 755 consequently, thrown widely apart, coming in contact with thebrim of the pelvis, thus proving an obstacle to the progress ofthe young creature. We interpret it as purely a flexion of the humero-radial articu-lation, the consequent or coincident pushing of the shouldersbackward upon the sides of the chest, and the impaction of theolecranon against the pubic brim. In this position, the trans-verse diameter of the chest of the fetus is greatly increased bythe retention upon its sides of the entire volume of the feta
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectveterinaryobstetrics
