The diseases and disorders of The diseases and disorders of the ox, with some account of the diseases of the sheep diseasesdisorderox00gres Year: 1889 DISEASES OF THE OX AND SHEEP. 501 a rule, the malady occurs in sheep when, having heen previously fed on soft and succulent food, they are transferred to that which is harder and drier; or, on the contrarj, though this is not so frequently the case, when there has been a converse change in the dietary—for example, if they have been removed from a dry and bare pasture to soft and succulent grass. Indeed, so great is the risk resulting from sudd
The diseases and disorders of The diseases and disorders of the ox, with some account of the diseases of the sheep diseasesdisorderox00gres Year: 1889 DISEASES OF THE OX AND SHEEP. 501 a rule, the malady occurs in sheep when, having heen previously fed on soft and succulent food, they are transferred to that which is harder and drier; or, on the contrarj, though this is not so frequently the case, when there has been a converse change in the dietary—for example, if they have been removed from a dry and bare pasture to soft and succulent grass. Indeed, so great is the risk resulting from sudden changes in the food-supply, that it has been observed that sheep invariably do best on farms Fig. 65.—Impaction of the Omasitm. The7above illustration depicts the appearance presented by an ox suffering from impaction of the omasum. The head is seen to be held low, and the ears hang down pendulouslj'; the breathing is diificult owing to pressure on the diaphragm, the tip of the tongue protrudes out of the mouth, the eyes are staring and bloodshot, the animal grunts and moans, and grinds the teeth. Pains are felt in the abdomen, and the nose is often carried to the flanks, most frequently to the right flank. The hind legs are often moved, the tail is lashed from side to side, the rumen is frequently tympanitic, the eyesight is impaired, and the eyes may be touched with the finger without pain being manifested or the lids being closed. The animal staggers, rolls on its side, and lies there with rigid limbs, is convulsed, and dies. If the beast be in the field, it runs about wildly, and may perhaps be found with its back downwards in a ditch in a helpless condition. If it be removed from the ditch, the animal may be found dead, or else suffering from irreparable damage to the spine in consequence of its violent convulsive struggles. (Aiter Armafaije.) whereon the soil differs but little, for it is the rapid changes T7hich are especially dangerous. When troubled with this
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