Mixed Helminthosis in Sheep Intestines in Dagestan

Zubairova, M. M.; Атаев, А М; Karsakov, N. T.; Dzhambulatov, Z. M.; Ataeva, S. T.

doi:10.31016/1998-8435-2020-14-3-18-22

Ross. parazitol. ž..

2020

DOI: 10.31016/1998-8435-2020-14-3-18-22

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Mixed Helminthosis in Sheep Intestines in Dagestan

M. M. Zubairova

А М Атаев

N. T. Karsakov³

et al.

Abstract: The purpose of the research is studying mixed zoonosis of sheep intestines and helminth biodiversity in the altitudinal zonation of Dagestan. Materials and methods. We used materials in our work that were collected in 1985-2018 from sheep (young animals up to 1 year old, 1 to 2 years old, and 3 years old and older) by seasons of the year. 5,000 fecal samples were tested and 180 intestinal dissections were performed. We used the method of complete helminthological dissection of animals and humans per Skrjabin, … Show more

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Cited by 4 publications

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Changes in the content of certain macro- and microelements in the blood of karakul sheep exposed to helminth infestation

Vakhidova,

Daminov,

Muradova

et al. 2024

BIO Web Conf.

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Comprehensive studies of livestock, their feeding conditions and maintenance allow us to obtain the data necessary for the development of medical strategies and tactics in the treatment of sick animals and the prevention of endemic diseases. Considering that Uzbekistan belongs to a country where Karakul sheep are raised, and the soil is rich in eggs and larvae of geohelminths, the infection rate of lambs in the spring and summer is high. Our research was conducted taking into account the infestation of animals and how many micro- and macronutrients are lost during the disease. Lambs infected with helminths were selected using a latex agglutination reaction with a diagnosticum. With marshallagiosis, nematodyrosis and habertiosis, the content of macro– and microelements in the blood of Karakul sheep decreases (potassium – by 190.5; sodium - 552.5; calcium -9.5; copper – 0.56; zinc – 0.5 and iron - by 74.2 mg/l) especially significantly in the prenatal period of helminth development; in the imaginal period– the content of macronutrients increases, and trace elements remain at a low level. According to the results of the study, the absorption of macro- and microelements depends not only on the balance of the diet in nutrients, mineral salts and vitamins. The effect of macroand microelements on the body is largely complicated by the conditions of animal husbandry. It is necessary to have a medical examination that allows you to control the harvesting, storage and quality of feed, detect diseases in animals, in the subclinical period and timely carry out the necessary medical measures, as well as identify agrotechnical measures to improve the fodder base of the farm.

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Changes in the content of certain macro- and microelements in the blood of karakul sheep exposed to helminth infestation

Vakhidova,

Daminov,

Muradova

et al. 2024

BIO Web Conf.

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Mixed gastrointestinal strongylatosis and anoplocephalatosis of sheep in the context of the vertical zonality of Dagestan

Zubairova

Karsakov³

et al. 2022

Ross. parazitol. ž..

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The purpose of the research is to study mixed infections of gastrointestinal strongylates and Anoplocephala sp. in sheep in the context of the vertical zonality of Dagestan.Materials and methods. In 2000-2020, 360 collections of the digestive tract of sheep and 600 fecal samples were studied in the plain, foothill, and mountain belts of Dagestan. The material was analyzed in young animals up to 1 year old, animals from 1 year to 2 years old, and animals over three years old. The study was performed in all four seasons. The work used methods of full helminthological dissection according to K. I. Skrjabin, sequential washing of feces with a saturated ammonium nitrate solution according to G. A. Kotelnikov, V. M. Khrenov and Berman-Orlov, as well as larvae cultivation in a thermostat.Results and discussion. Mixed helminth infections were recorded in sheep in all natural and climatic zones of Dagestan. The greatest species diversity, high rates of infection prevalence (IP 15.0–43.3%) and infection intensity (II 16–3860 sp.) were observed at gastrointestinal Strongylata and Anoplocephalata infections in the plain belt. Of the pathogens in the plain and foothill belts, mixed infections were dominated by Chabertia, Bunostoma, Trichostrongylidae, Haemonchus, and Nematodirus; and from Anoplocephala – moniezia. The IP and II rates were significantly lower, 25–8.3% and 43–32 sp., respectively, in the mountain belt at an altitude of over 2500 m above the sea level. Lambs in the first year of age were infected with Chabertia, Bunostoma (B. trigonocephalum), Trichostrongylidae (T. axei and T. vitrinus), Haemonchus and Nematodirus (N. spathiger) in the plain and foothill belts. In the second year of age, sheep older than three years were infected with T. axei, T. capricola, T. vitrinus, T. colubriformis, O. ostertagi, O. circumcincta, O. occidentalis, O. antipini, O. leptospicularis, C. punctata, C. oncophora, N. filicollis and N. abnormalis with IP of 2.5–8.3% and II of 1–11 sp., in addition to the dominant species. We recorded M. expansa, M. benedeni, T. giardia and A. centripunctata (IP 2.5–30.0%, and II 1–48 sp.). In the mountain belt over 2500 m above the sea level, lambs were infected with Ch. ovina, B. trigonocephalum, T. axei, H. contortus, N. spathiger (IP 8.3–11.6%, II 3–32 sp.) and M. expansa (IP 2.5–5.0%, II 1–29 sp.). Young animals in the second year of age and sheep over three years old had mixed infections with the species as indicated in lambs (IP 3.5–8.3%, II 3–29 sp.).

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To the fauna of gastrointestinal nematodes of sheep in the European part of Russia

Pimenov,

Kuznetsov,

Odoevskaya

et al. 2023

Ross. parazitol. ž..

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The purpose of the research is to study the fauna of gastrointestinal nematodes of sheep in the European part of the Russian Federation.Materials and methods. The studies were carried out in 2022–2023. The objects for the study were the sets of the gastrointestinal tracts of sheep aged from one to 2.5 years, delivered to the slaughterhouse in the Moscow region from different regions of the Russian Federation, including the Oryol and the Astrakhan regions, the Republic of Dagestan and Stavropol Krai. After slaughter, 10 sets of gastrointestinal tracts were taken by the random sampling method from each batch of delivered sheep. Then, these sets of gastrointestinal tracts were subjected to helminthological necropsy according to the method of K. I. Skryabin (1928). The species of detected nematodes were identified according to K. I. Skryabin et al. (1952) and V. M. Ivashkin et al. (1989).Results and discussion. A different degree of gastrointestinal nematodes infection of sheep has been established in different regions of the European part of the Russian Federation. Thus, the rate of infection in the Oryol region was 80%, in the Astrakhan region – 100%, in the Republic of Dagestan – 100% and in Stavropol Krai – 50%. Sheep were infected with Trichostrongylus colubriformis and Teladorsagia circumcincta with an intensity of infection, on average, 251.86±25.2 and 99.25±9.9 ex./head respectively in the Oryol region; T. colubriformis (242.65±24.3 ex./head), T. circumcincta (76.6±7.7 ex./head.), Haemonchus contortus (6.5±0.7 ex./head) and Marshallagia marshalli (19±1.9 ex./head) in the Astrakhan region; T. colubriformis (89.7±9 ex./head), T. circumcincta (43.6±4.4 ex./head), H. contortus (6.8±0.7 ex./head) and M. marshalli (17.8±1.8 ex./head) in the Republic of Dagestan; T. colubriformis (20.2±2 ex./head) and T. circumcincta (11±1.1 ex./head) in Stavropol Krai. Thus, T. colubriformis and T. circumcincta were the most frequently found nematodes in sheep in all of the four studied regions, and these two species also showed the highest rates of infection. The noted low species diversity of nematodes is obviously associated with the mandatory use of anthelmintic drugs. The studied sheep were treated against parasites (according to the accompanying veterinary documentation). At the same time, the detection of nematodes in treated animals possibly indicates the presence of resistant strains.

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Mixed Helminthosis in Sheep Intestines in Dagestan

Cited by 4 publications

References 2 publications

Changes in the content of certain macro- and microelements in the blood of karakul sheep exposed to helminth infestation

Changes in the content of certain macro- and microelements in the blood of karakul sheep exposed to helminth infestation

Mixed gastrointestinal strongylatosis and anoplocephalatosis of sheep in the context of the vertical zonality of Dagestan

To the fauna of gastrointestinal nematodes of sheep in the European part of Russia

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