This article contains research of toxico-pharmacological properties of the drug Biostim electrochemically activated aqueous solution on the basis of the alkaline catholyte. Determination of acute toxicity of this solution. The purpose of this study was to investigate toxico-pharmacological properties of the drug Biostim, as well as the rationale for reconciliation in his veterinary practice. Non-communicable diseases of young farm animals occupy a special position in the pathology of animals. Recover at an early age animals are unsuitable or is not suitable to supplement the main livestock.

The share of newborn calves accounted for over 90 % of cases of death from non-communicable diseases. Most often, the death rate of calves takes place on the grounds of diseases of the gastrointestinal tract. Not the well-being of farms and complexes for this disease causes huge economic damage, which is composed not only from direct loss, but also long-term outcomes, kill a significant portion of the litter, spent money on Treatment and preventive measures, delayed growth and development of young animals.

Proceeding from above mentioned, the study of toxic and pharmacological properties and prophylactic efficacy of electrochemically activated aqueous-based alkaline catholyte (the drug Biostim) in the treatment of gastrointestinal diseases in calves is an actual trend, which will improve the effectiveness of therapeutic interventions and to increase the safety of young cattle. 

Installed features and regularities of the morphological changes of the blood, histological examination of the internal organs, open up opportunities and prospects for the use of the drug Biostim in terms of production for the improvement and permanent maintenance of health and high animal productivity. The research described in the article confirms the safe usage of the drug Biostim.

Key words: Biostim preparation, alkyd catholite, toxity, histological structure, grainy dystrophy.