Reduced Transition of 137Cs in Milk of Cows With the Use of Modified Fodder Additives With Ferrocin
2019
Gubareva, O. | Isamov, N.
The problem of livestock production that meets sanitary standards in radioactively contaminated territories remains relevant and is of great practical and scientific interest. The use of sorbents from the class of ferrocyanides promotes the production of livestock products (milk) that comply with accepted hygienic standards. The studies were conducted to evaluate the effectiveness of new formulations of feed additives based on potassium–iron (III) hexacyanoferrate (II) (azure iron milori) compared with 137Cs Bifezh sorbent to reduce the content of radiocaesium, on the productivity of dairy cows and qualitative milk indicators. The tests were carried out under production conditions on the basis of the SEC “Rabochii” of the Gordeevsky district of the Bryansk region. The farm was exposed to radioactive contamination as a result of the Chernobyl accident. Agricultural land of the farm is characterized by relatively high pollution densities at 137Сs and high variability. The use of ferrocine-containing preparations as part of new formulations of modified feed additives made it possible to reduce the concentration of 137Cs in cow’s milk by 2–4 times on day 15 and by 4–5 times on day 30 as compared to the control and did not affect the qualitative indicators of cow’s milk, except for a significant increase fat content of milk in all groups of animals by the end of the experiment.
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