The role of osteodystrophy in the pathogenesis of aseptic pododermatitis in cows
It is well known that the value of full feeding of farm animals is an important condition for the production of livestock products. Because of the researches of many scientists was found that the value of feed is determined by the content of proteins, fats, carbohydrates, as well as vitamins, minerals and so on. However, the true value of the feed is determined by the part that is digestible and can be used by the body in the metabolism process. In the event of a violation of feeding level associated with the lack of nutrients or minerals of animals or their deficiency, the development of osteodystrophic processes is observed, which directly contribute to changes in the tendon-ligamentous apparatus of the finger of animals, there is an occurrence of prolonged osteotendinitis of the finger flexors, which causes to fingers extension, partially or completely removed from the hoof wall support, and overload of crumbs. Tightening of the crumb support is accompanied by the appearance of the skin of the hoof inflammatory process, excessive horn growth and deformation of the horn capsule. The final confirmation of osteodystrophy is the results of a multivariate mass volumetric analysis of the skeleton state and determination of the magnitude of the angles of the joints of the fingers. On the side of the hoof horn, there is an increase in the moisture content and SH-groups and a decrease in g-keratosis, which affects the biophysical properties of the hoof horn, which are shown by a decrease in density and hardness. Such changes indicate a deterioration in the quality of the hoof horn, a confirmation of which is a decrease in the intensity of erasing of the sole horn, the development of deformation and the occurrence of aseptic inflammation of the base of the skin of the sole horn.
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