The defeat of feed by microscopic fungi is a fairly common phenomenon at this stage of the management of the agricultural sector. This is due to weather conditions (high rainfall) and errors in harvesting and storage of grain. Feeding affected feed leads to irreversible processes in the body of cows, reducing their productivity. The aim of the study was to establish marker indicators for the rapid diagnosis of mycotoxicoses in cows. So, when exposed simultaneously to T-2 toxin and toxins of the fungus Aspergillus fumigatus, destructive changes in the skin and mucous membranes were diagnosed, and pathology of the limbs was diagnosed, which was characterized by lameness. The laboratory revealed an increase in the level of leukocytes up to 37.1 g/l and a decrease in the content of hemoglobin in the blood of sick animals. Also, a characteristic feature was the latch of the contents of the rumen at pH 8.0, which in turn leads to a decrease in the number of ciliates. Also a sign of poisoning are changes in the fecal matter: liquid, musty odors and with an increased pH of up to 7.5. At the autopsy of the dead animals, a characteristic sign was: necrosis of the mucous membranes of the oral cavity, esophagus, gastrointestinal tract, protein degeneration in the liver and kidneys, and serous pulmonary edema. Infertility is 67.35 %, which leads to multiple unsuccessful insemination, which is due to destructive changes in the organs of the reproductive system. So, in sick animals, ovarian hypotrophy was diagnosed at the level of 54.09 %, ovarian cysts v in 8.18 %, yellow persistent bodies in the postpartum period – 7.54 %. The prospect of further research will be the development of preventive methods for treating cows and increasing their reproductive function of mycotoxicoses.
A scientific hypothesis has been put forward, according to which an increase in the efficiency of using a vacuum system of milking equipment with an upper milk line with mechanical pulsators can be achieved by predicting its residual resource. As well as with the subsequent planning of maintenance and the identification of patterns and dependences characterizing these processes. As a result of experimental studies of changes in the technical and technological parameters of the vacuum system of milking equipment with an upper milk line with mechanical pulsators, the theoretical dependences obtained with their correlation coefficient r=0.971–0.972 were empirically confirmed. Namely, the magnitude of the working vacuum, the pulsation rate, the ratio of pulsations, and the tension force of the nipple rubber, depending on the time of operation. It was established that after 175 hours of operation of the milking stationary installation, the value of the working vacuum decreased by 4 %, the pulsation frequency – 14 %, the ratio of pulsations – 16 %, and the tension force of nipple rubber – 21 %. On the basis of the obtained dependences included in the procedure for forecasting the resource of the vacuum system of milk-milking equipment with an upper milk line with mechanical pulsators, the software package «Alt viewer 1.0» was developed. It is designed to display and automatically process the measurement results of the technical and technological parameters of milking equipment using the designed Tester of milking machines, v.2.0. The software performs the following main functions: reading the measurement results from the memory card, decoding them, displaying them in tabular and graphical forms. As well as the calculation of the parameters of pulsations and the formation of a report, forecasting the resource of the nodes of the vacuum system. The program also provides for the storage of information on the calibration coefficients of pressure sensors, air flow meter, as well as the frequency of polling sensors when measuring pulsations and fluctuations of the working vacuum
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.
hi@scite.ai
10624 S. Eastern Ave., Ste. A-614
Henderson, NV 89052, USA
Copyright © 2024 scite LLC. All rights reserved.
Made with 💙 for researchers
Part of the Research Solutions Family.