Distribution, diagnostics of mycotoxins in feed and prevention of gynecologi-cal pathology in cows

Abstract

The results of the study of the treatment of cows for gynecological pathology when feeding fodder affected by mycotoxins are given in a comparative aspect. To detect microscopic fungi and mycotoxins in fodder, organoleptic, physico-chemical, toxicological-biological chemical-mycological research methods and clinical methods for researching the condition of the organs of the reproductive system of cows using ultrasound diagnostics were used. The purpose of the research was the approval of methods of treatment of cows for gynecological pathology in conditions of feed contamination with microscopic fungi and their toxins. The tasks of the research were to study the species characteristics of microscopic fungi and their toxins in fodder for cows; establish the prevalence of microscopic fungi and their toxins; to determine the effectiveness of treatment of cows for mycotoxicosis in a comparative aspect with the use of sorbents and an estrogen inhibitor during gynecological dispensation. Black and spotted cows were used for research according to the principle of analogues, 4 groups were formed. The animals of the 1st group were healthy animals (n = 42), the animals of the 2nd experimental group (n = 43) were fed with a product based on eleolite (2.5 kg/t of feed), the cows of the 3rd group (n = 41) injected a means based on an estradiol inhibitor in a dose of 3 ml per animal, the 4th group of animals (n = 42) did not receive treatment during the experimental period. The mycotoxins deosinivalenol and zearalenol were found to be present in 22.02 % to 27.3 % of the examined feeds. At the same time, the presence of fungi of the genera Aspergillus and Fusarium was established from 1.45 % to 4.9 % of the studied samples. The best treatment effect was obtained in the 3rd group of cows. The number of cases of ovarian hypotrophy was 2.1 times lower compared to the 4th and 1.8 times lower in the 2nd group, but 1.3 times higher than the 1st group. Ovarian atrophy in cows of the 3rd group was 2 times lower than in the 2nd group and 5 times lower than in the 4th group. Pathologies such as endometritis and persistent yellow body were diagnosed at the same time and were 4.5 times less in cows of the 3rd group than in the 2nd and 10.1 times less than in the 4th. Taking into account the obtained data, it can be concluded that the use of a remedy based on celeotite reduced the manifestation of gynecological pathology due to mycotoxicosis by 1.65 times, and the use of a remedy based on an estradiol inhibitor by 3.94 times.