The effects of some microelements supplementation - selenium, zinc and copper into dairy cows feeds on their health and reproductive performances
2016
Joksimović-Todorović, Mirjana (Faculty of Agriculture, Belgrade-Zemun (Serbia)) | Davidović, Vesna (Faculty of Agriculture, Belgrade-Zemun (Serbia)) | Bojanić-Rašović, Mirjana (Biotechnical Faculty, Podgorica (Montenegro))
Microelements such as selenium, zinc and copper are indispensable nutrients for preserving major physiological functions, improving reproductive characteristics and overall health state. By their adequate use different ailments are prevented, while at the same time they have a positive effect on fertility and resistance. Insufficient quantities of these microelements, inadequate absorption and interaction with other microelements may lead to the impairment of the immune response due to metabolic and oxidative stress. In recent years, mainly organic forms of microelements have been administered to animals because they show better biological availability and can be retained longer in the organism. Besides, organic forms improve quality of products for human nutrition. Antioxidants should be added in optimal quantities in food for dairy cows with the aim of maximizing immune function and protection of tissues.
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