Distribution, etiology and prevention of subclinical mastitis in cows
According to the results of the diagnostic stage of obstetric examination in 2016–2018, the etiology and pathogenesis of mastitis in 90 cows of FG “Mriia” of Rivne region were analyzed. During the research, 83.3 % of the cows were diagnosed with breast inflammation. Subclinical form of udder inflammation was found in 51.1 %, clinical in 32.2 %, and at the same time hidden and clinical, in the same proportion – in 12.2 % of animals. In the farm, the cause of mastitis, were violations of sanitary and hygienic conditions of keeping cows and systematic technological underdevelopment of specialists in zootechnical and veterinary services. Frequent postpartum pathologies, including postpartum paresis and ketosis, contributed to the development of the disease. The experimental data for the study of the prophylactic and therapeutic effect of “Forticept” udder hygiene products on the condition of the breast, milk quality and cow productivity are presented. The “Forticept Udder Wash” antiseptic is used to prepare the udder for milking, and the “Forticept Udder Forte” film-forming agent is used to preserve udder nipples after milking is completed. It is established that the treatment, before and after milking, of the udder of cows by means of the “Forticept” complex, after 15 days allows to reduce significantly (by 55 %) the number of animals with subclinical mastitis (SFM). Within 30 days of “Forticept Udder Wash” and “Forticept Udder Forte”, the incidence of SFM in the cows of the experimental group decreased from the starting 41.7 % to 19.0–23.0 %. Hygienic treatment of the cows udder with the drugs “Kenopur” and “Kenocidin” did not give the desired effect of reducing the manifestations of SFM: on the 30th day of the experiment, the number of positive milk samples in the control group increased by 4.0 % (up to 54 %). Оn the thirty-day “Forticept” series, only one new case of subclinical mastitis was diagnosed in the experimental group. The preventive effect of “Forticept Udder Wash” and “Forticept Udder Forte” on SFM is 96.0 %, in the preparations “Kenopur” and “Kenocidin” – 70.0 %. Reducing the incidence rate naturally contributed to the increase in daily milk yields, the improvement of milk quality indicators for fats, protein, casein and a decrease in the content of SC, KMAFanM1 and microorganisms. In the animals of the experimental group, the level of somatic cells was 339.14 ± 21.22 thousand/ml by the end of the observation period and was 26.7 % lower than the control group. At that, the number of quarters of the breast with somatic cell content more than 400 thousand/ml of milk decreased in both groups, namely: in the experimental group – by 19.0 %, in the control group – by 15.1 %.
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