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The results of microbiological studies of air samples of refrigerating chambers of meat processing enterprises are presented. The quantitative composition of the air microbiota of the chambers of the refrigerating shop was studied. It has been established that the technological regimes for cooling meat in cooled chambers (t = +4 °C) and deep freezing chambers (t = -18 °C and -22 °C) have no bacteriostatic effect on the life activity of mold fungi. The developed disinfecting preparation (hydrogen peroxide (8.0 - 10%), acetic acid (10%), peracetic acid (5.0 - 7.0%), stabilizing additives, water) ensures the destruction of sanitary-indicative microorganisms in cold rooms meat processing plants when applied at a concentration of 0.05% - 60 minutes, 0.1% - 30 minutes, 0.15% - 10 minutes and does not have a toxic effect on meat raw materials that are stored in chambers of the refrigeration shop after disinfection.

Large gray and Large white geese breeds were created in Ukraine and are widespread. At the same time, the nutritional value of their meat is insufficiently studied. Therefore, this work aimed to study and compare the chemical composition and amino acid profile of the muscles of the chest and thighs of geese of these breeds in semi-intensive growing. The study used 20 heads of geese of both sexes of the Large gray and Large white breeds, which were raised under similar housing and feeding conditions. Muscle samples were analyzed following current regulations in Ukraine, harmonized with relevant international standards. Studies have shown no significant differences in the muscle content of males and females of these breeds in terms of moisture, protein and ash, but a more significant difference in fat content was observed. In the thighs of females of Large gray geese fat content was higher than in the thighs of males of this breed by 0.29% (P