INFLUENCE OF IODINE NANOAKVAHIDRATE ON BIOCHEMICAL PARAMETERS OF MILK AND MILK PRODUCTIVITY OF COWS IN THE FIRST MONTH OF LACTATION
For mineral balancing cows rations microelements are used, including Iodine, which influence on physiological and biochemical processes in animals organisms and consequently on their productivity and quality production. As is well-known, the assimilation of trace elements depends on their quantity and their balance in chemical compounds. Therefore, for cows feeding we applied organic iodine compounds produced by nanotechnology.
The experiment was conducted on 15 cows Ukrainian black and white dairy cattle, analog by age, performance, weight and lactation period. In run-in period cows were divided into 3 groups. In contrast to the control cows, animals and researches groups fed by mineral supplement in the form of Iodine nanoakvahidrate respectively: II group with 0,6 mg and III group ─ 0,06 mg I/kg dry feed.
For laboratory test sonce In run-in period and in 30 th and 60 th day using of mineral supplements were controlled cow’s milk production with the definition of daily milk yield and its chemical composition. In samples of milk were determined: the content of vitamins A and E, Ca, Cr, Cd, Cu, Zn, Mn, inorganic Phosphorus, fat, lactose, protein, MSNF and density.
It is established that the inclusion into the diet of cows the second research group Iodine nanoakvahidrate in an amount of 0.6 mg/kg dry feed, during one month are caused a slight decrease in milk protein content, lactose, MSNF and density. Under these conditions, the average daily milk yield of cows is increased by 5,4 %.
Using Iodine nanoakvahidrate in an amount of 0,06 mg/kg dry fee during the month in cows diet, were contributed increasing of the content of vitamin A and E by 7,2 and 17,2 % respectively and inorganic phosphorus by 9,5 % in cow milk III experimental group. At the same time milk production was increased by 8,8 %. In the second month of feeding supplements Iodine were increased vitamin A in milk cows II and III research groups by 12,6 and 15,8, inorganic phosphorus -by 15,9 and 23,9 %, fat by 0,05 and 0,19 % (absolute) respectively and milk yield were increased by 4,4 %, only in group III of cows.
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