Determination of acute toxicity parameters of “Zoodizin” disinfectant
An important element in ensuring the epizootic well-being of the poultry industry is disinfection. Modern poultry farming requires a large number of effective disinfectants. It is known that the resistance of microorganisms to the effects of disinfectants is based on a genotypic mechanism. The nature of the formation of resistance to disinfectants and antiseptics is different than antibiotics. With regard to disinfectants, resistance is formed more slowly and the proportion of resistant strains in the population of microorganisms may not be high for a long time. This is due to different mechanisms of formation of resistance to antibiotics and disinfectants, in the first case – plasmid mechanism, in the second – chromosomal. However, increasing the resistance to the active substance in disinfectants can be widespread, so it is necessary to periodically rotate disinfectants. The goal of the work – to investigate the parameters of acute toxicity of the disinfectant biocide “Zodizin”. The studies were conducted in the laboratory of Veterinary Pharmacy and the Vivarium of Sumy National Agrarian University. The drug “Zodizine” contains: polyhexamethyleneguanidine hydrochloride – 21.0 %, alkylldimethylbenzylammonium chloride – 3.0 %. For toxicological examination of the disinfectant, healthy white male rats and white female rats weighing 200 ± 10 g 1.5 years of age were used. In the study of acute toxicity of animals observed daily, noted the general condition of the animals, features of their behavior. Studies have found that the toxic effect of the disinfectant “Zodizin” clinically manifested almost equally in both males and females. The average lethal dose for the rat female was 1000.0 ± 35.0 mg/kg body weight, males 1033.0 ± 34.3 mg/kg. Therefore, according to the classification of substances by toxicity, the drug by intragastric administration can be attributed to low-toxic substances. Observations on animals revealed that 1–3 hours after oral administration of the drug in a subtoxic dose in laboratory animals, shortness of breath and inhibition of the central nervous system were noted. Most of them died during the first day. Subsequent observations of the surviving animals indicated that their motor response was suppressed over the next 24–72 hours. Conclusions and prospects for further research: 1. It was found that the average lethal dose of the drug “Zodizin” with oral administration to rats-females was 1000.0 ± 35.0 mg/kg body weight, males – 1033.0 ± 34.3 mg/kg. 2. Experimental studies have proved that the disinfectant “Zodizin” according to GOST 12.1.007-76, belongs to the IV class of danger, that is, to the low-dangerous compounds, and according to GOST 12.1.07 – to the III class of hazard of substances and can be used for disinfection premises where animals and poultry are kept. Further, the sporoсide and corrosion properties of the “Zoodizin” biocide will be studied.
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