Abstract
Animal parasites cause significant economic damage to pig farming. Of the parasitic diseases common to humans and animals, trichinosis is the most dangerous. The purpose of this work is to study the ecological and epizootological distribution of the main helminths of pigs in farms in the Altai Krai. Helminthoscopic studies to detect the spread of ascaris, metastrongyls, esophagostomas and trichocephalians were carried out in the same farms and in the same pigs. The viability of the detected ascaris eggs was determined bytheir appearance d, as well as by fculturing the eggs in a wet chamber in a thermostat at a temperature of 25-30C for 15-20 days. In pigs in the Altai Krai, according to CHA (complete helminthological autopsy) data, 3 types of metastrongyls are parasitized in the lungs: M. salmi, M. elongatus and M. pudentotectus. The dominant species is M. elongatus. The conducted studies showed that the objects of the external environment were strongly infected with ascaris eggs. According to the practical significance of pig nematodes in the Altai Krai, ascaris, metastrongyls, trichocephalians and trichinella should be considered. Thus, on the basis of the conducted studies, the assessment of helminthiasis of pigs in farms of the Altai Krai is given.
Highlights
One of the main reasons hindering the development of pig breeding are diseases of various etiologies, including invasive ones [1]
Pig breeding is an important and highly profitable industry in agriculture, but helminthic diseases play a negative role in increasing the number of livestock and production [1,2,5]
In the farms of the forest-steppe zone of the Altai Krai, ascariasis, metastrongylosis, trichocephalosis, cysticercosis, trichinosis is of the main importance in the pathogenesis of pigs, as infestations are widespread and cause the greatest economic damage to farms of any form of ownership
Summary
One of the main reasons hindering the development of pig breeding are diseases of various etiologies, including invasive ones [1].Currently, pig breeding is an important and highly profitable industry in agriculture, but helminthic diseases play a negative role in increasing the number of livestock and production [1,2,5]. In the farms of the forest-steppe zone of the Altai Krai, ascariasis, metastrongylosis, trichocephalosis, cysticercosis, trichinosis is of the main importance in the pathogenesis of pigs, as infestations are widespread and cause the greatest economic damage to farms of any form of ownership. These invasions delay the growth and development of young animals, cause massive damage and death of piglets from various invasive diseases. Trichinosis is common among the pig population. It is known that the epizootology of any disease depends on a complex and diverse set of environmental factors that create the peculiarity of epizootological patterns peculiar only to a particular geographical zone, so it is necessary to study the epizootology of the most common types of pig helminths in the conditions of South-Western Siberia [2,7,8,9,10]
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