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Black's veterinary dictionary 21st edition - S

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Từ điển thú y vần S | S Sabulous Gritty sandy. Sacks Sacks may be a means of passing infection from one farm to another for when empty they are put to many uses. Poisoning has occurred through contamination of feeding-stuffs by sacks previously used for sheep-dip. For these reasons non-returnable paper sacks have advantages over jute sacks. Sacrum The part of the spinal column lying between the lumbar region and the tail. It consists of 5 vertebrae in the horse and ox 4 in the sheep and pig and 3 in the dog and cat fused together in each case. It is roughly triangular in shape in all animals and forms the roof of the pelvic cavity lying midway between the 2 points of the hip or haunch bones . Saddle-Sores Saddle-sores are formed through uneven pressure upon the back by some part of the saddle. They may be found in the middle line immediately over the upper ends of the spinous processes they may occur on either side of the middle line where the fore-arch of the saddle-tree presses or they may be found just behind the elbow when they are caused by badly fastened girths and are often called girthgalls . The injuries consist of raw areas from which the hair has been rubbed or chafed off and later ulcers. Alternatively patches of the skin varying in size from 2.5 cm in diameter to almost 7 cm may become hard and leathery pus being formed underneath. These are known as sitfasts . Treatment Attention must first of all be paid to the saddles. They should fit evenly all over the back and the stuffing or padding should be adequate to protect the skin from pressure by the rigid framework of the saddle-tree. The hollow of the arch of the saddle should never press upon the middle line of the back and the girth should never be fastened with the skin folded under it. Rest from work will be necessary. See ULCER WOUNDS. Sagittal A structure or section running transversely across the trunk or a limb. Sainfoin Onobrychis sativa A leguminous forage crop which fixes its own nitrogen it contains tannins so .