Importance of copper and selenium in nutrition on health and production traits of goats
2012
Memiši, Nurgin R. (AD Mlekara, Subotica (Serbia)) | Tomić, Zorica M. (Institute for Animal Husbandry, Belgrade (Serbia)) | Žujović, Miroslav M. (Institute for Animal Husbandry, Belgrade (Serbia)) | Jovanović, Snežana (Institute of Veterinary Medicine of Serbia, Belgrade (Serbia)) | Pavlović, Ivan (Institute of Veterinary Medicine of Serbia, Belgrade (Serbia))
Mineral deficiencies in goats in many countries are caused by low or variable contents due to season and maturity of plants and low digestibilities. The reliability of body tissues as an indicator of deficiencies varies greatly with mineral elements. Major performance improvements have been achieved, nevertheless, where mineral supplementations were applied correctly. Requirements of macro- and microelements, or minerals for short, are based on evidence of metabolic functions, which are structural and/or catalytic. Mineral supplementation on this basis has yielded improvement in milk production, reproduction, feed intake and reduced heat stress in other species. It also has been pointed out, that even in the best studied species, cattle, there is no academic agreement as to the feeding recommendation levels of minerals, and there is less agreement and knowledge about the other less studied species, such as the goat. Copper is an essential element for the synthesis of hemoglobin, the iron absorption in the small intestine and the mobilization of Fe in body depots and oxidation. The function of selenium in metabolic processes is a close related to vitamin E. So, diseases caused by deficiency of Se can atribute to deficiency of Se and vitamin E. Deficiency in Se caused a great numbers of diseases with goats: degeneration of heart and sceletal muscles, more affinities to dysentery, disorderes in reproduction etc
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