Porcine osseous soft disease is a kind of clinically common chronic disease. The main target of the disease is the primiparous gilts in the winter and spring seasons. The course of the disease is long and there is obvious claudication.
Etiology
The most common cause of this disease is due to a single feed, lack of calcium or phosphorus or its imbalance, VD deficiency or excessive consumption of lactation. Due to lack of calcium and phosphorus intake, blood calcium, phosphorus decreased, stimulate the parathyroid gland, so that bone calcium into the blood, causing bone calcium deficiency softening, deformation and a series of clinical symptoms.
Clinical symptoms
At the beginning of the disease, he was reluctant to exercise, hibernant and heterophilous, and the weight of the hind limbs alternated while standing, and mild walking was observed. Later, I stood up for difficulties. The appetite was reduced or wasted. The excrement was mostly abacus beads. The palpation of the extremities was endless and the heartbeat was irregular. If not treated, the condition will develop further. The affected pigs cannot stand completely. When forced to walk, only the two forelimbs will squat, the hind limbs will be dragged, the limbs and joints will be swollen, and the spine will be subsidence. The osteolysis may be seen in the anatomy and can be cut into pieces with a knife. Shape, spine bending deformation, bone marrow spoiled turbid odor liquid. Through the laboratory diagnosis can be measured blood calcium, phosphorus concentration decreased.
Prevention
In order to prevent the occurrence of the disease, mixed feeds can be promoted, full-price diets can be used, and the duration of light can be increased to facilitate the conversion and utilization of VD. Treatment should be supplemented with calcium as the main supplement to other measures, such as oral VD preparations or calcium, intravenous calcium chloride, calcium gluconate and so on. Pigs weighing 50-70kg, each time calcium 2 ~ 3g, 10% ~ 25% glucose 100 ~ 200ml intravenous injection, 2 to 3 days once, the effect is better. Supplementing calcium at the same time as intramuscular injection of VD 22500-5000 units, and change the single feed for the full price of mixed material better.
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