The Chemical Composition Of Pig Farms Waste At Intensive Technology Of Pork Products
O. V. Ivanova, M. O. Zaharenko
The peculiarities of the chemical composition of liquid pig manure associated with the presence of a waste of sulfa drugs, hormones and hormone-like compounds, and antibiotics in different periods of the animals were revealed. The studies of liquid manure of various groups of animals proved the presence of sulfamethoxazole, sulfadimetoksin, chlortetracycline, doxycycline, chloramphenicol, albeit in small quantities. The chlortetracycline and doxycycline were found only in the liquid manure of weaning piglets in the spring, and in other time periods the antibiotics in liquid manure of animals of different groups were not found. Particular attention is drawn over the content of hormones in liquid manure. It is shown that the highest content of nandrolone was observed in liquid manure of weaning piglets in the spring. In summer its level in the liquid manure decreased by 25 times compared with the springtime. In autumn the content in liquid manure decreased, compared to the spring, even to a greater extent.