Abstract
The purpose of the work is to develop a system for the restoration of the genital organs of cows after calving. We studied the therapeutic efficacy of drugs for the incidence of genital diseases of cows. The studies were conducted based on a complex of cattle of Black Motley breed at the facilities of Rico-Agro LLC in the Uvinsky district, Udmurt Republic. The average milk yield per lactation is 6250 kg. Most animals are susceptible to ovarian disease. The incidence of ovaries hypofunction increases annually. In the study of cows on the 60th day after calving, it was found that the uterus was ready for insemination in 86% of cows. However, the condition of the ovaries allows insemination of only 50% of the cows. The remaining animals needed treatment. The most common pathology was ovarian hypofunction. This is more common in highly productive cows and cows with a low body mass index. Three regimens for treating ovaries have been tested. The most effective Scheme 2 included Surfagon and an emulsion from ASD-2 and Tetravit. In the Scheme 2 group, 6 out of 8 cows were first successfully inseminated. It was established that using Estrofan on the first day after calving, it is possible to reduce the number of persistent corpus luteum.
Highlights
To achieve a high level of animal reproduction, regular monitoring of indicators characterizing the fecundity of each animal individually and the herd as a whole is necessary
The results of the studies showed that when using estrofan 9 hours after calving, the amount of placenta excretion is increased by 25 %
It was found that when injecting estrofan on the first day of calving, there were no persistent yellow bodies
Summary
To achieve a high level of animal reproduction, regular monitoring of indicators characterizing the fecundity of each animal individually and the herd as a whole is necessary. Comparison of actual and planned (optimal) indicators allows you to correctly evaluate the work of livestock breeders in reproduction, calculate the economic damage from infertility or reduce fertility and outline reasonable measures for quickly changing the state in the desired direction [4]. The veterinarian should carefully review each test and determine which ones are most useful for the conditions. Of these methods, transrectal palpation is the most affordable and meets most criteria in most circumstances [5]
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