Levantamento sazonal de nematódeos gastrointestinais em um rebanho ovino leiteiro

Osório, Thaís Moreira; Menezes, Leonardo de Melo; Rosa, Karoline Barcellos da; Escobar, Rodrigo Flores; Santos, Rivas Matheus Lencina dos; Maydana, Gianny de Mello; Souza, Velci Queiróz de

doi:10.33448/rsd-v10i3.13315

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…Схожі дані отримали ряд авторів, які доводять, що шлунково-кишкові паразитози у овець перебігають у вигляді мікстінвазій. Зокрема, науковці в Бразилії за копроскопічного дослідження овець встановили, що шлунково-кишкові паразити (Nematoda, Cestoda та Protozoa) здебільшого перебігають як змішані інвазії (Salgado et al, 2017;Ferraz et al, 2019;Osório et al, 2021). Також було з'ясовано, що паразитози в осінньо-пасовищний період в умовах вівчарських господарств Полтавської області найчастіше перебігають у вигляді асоціативних інвазій (63,16 %) у формі дво-, три-та чотирикомпонентних паразитозів.…”

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Gastrointestinal parasitosis of sheep on farms of the Poltava region

et al. 2023

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Sheep breeding is one of the most promising branches of agriculture and the most important branch of animal husbandry worldwide. For the successful development of the industry mentioned above, it is necessary to increase the number of sheep and the production of livestock products. One of the aspects of this task is the effective implementation of measures to control parasitic diseases in sheep, particularly those localized in the gastrointestinal tract. The work aimed to investigate the spread of gastrointestinal parasitoses among sheep of single-person peasant farms in the Poltava region. The studies established that the average infestation of sheep by causative agents of gastrointestinal parasitoses is 39.74 %. In the studied sheep, strongylidoses of the digestive organs (extensiveness of invasion – 20.19 %), trichuriasis (18.59 %), eimeriosis (18.27 %), monieziosis (6.73 %), strongyloidosis (6.73 %) and dicrocoeliosis (1.92 %). In 32.26 % of the studied animals, the invasions occurred in monoinvasions, and in 67.74 % – in the form of mixinvasions. Among the monoinvasions, dicrocoeliosic (10 % of monoinvasions), monieziosic (22.5 %), strongyloidosic (40 %), and eimeriosic (27.5 %) were recorded. A total of 10 types of mixinvasions were detected in sheep, where two-component associations of gastrointestinal parasites were most often registered (78.57 % of mixinvasions), and three-component associations of parasites were less frequently diagnosed (21.43 %). Among the two-component mixinvasions, strongyloidosic- eimeriosic and trichuriasic- strongyloidosic were most often diagnosed, where the indicators of the extensiveness of invasions were 5.77 and 5.13 %, respectively. Three-component mixinvasions were represented by an association of trichurises, strongylides of digestive organs and eimeries (3.21 %), trichurises, strongyloideses and eimeries (1.60 %) and moniezies, trichurises, and strongylides of digestive organs (0.96 %). The research results on the spread of gastrointestinal parasitoses in sheep will allow for taking into account the peculiarities of the course of mixinvasions and the composition of their co-members when carrying out treatment and preventive measures in single-person peasant farms of the studied region.

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Gastrointestinal parasitosis of sheep on farms of the Poltava region

et al. 2023

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Molecular identification and phylogenetic analysis of gastrointestinal nematodes in different populations of Kazakh sheep

Yan,

He,

Liu

et al. 2023

Experimental Parasitology

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Essential oils against gastrointestinal nematodes in sheep in vitro and chemical composition of those plants

Osório,

Menezes,

Martins

et al. 2023

CeN

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The present study aimed to evaluate the in vitro potential of aromatic plants Aloysia triphylla (cidró ou erva-luísa), Corymbia citriodora (eucalipto-limão), Lippia alba (falsa-melissa) e Piper gaudichaudianum (pariparoba), in helminths eggs and larvae, determine their main constituents. For this, the essential oils (OEs) of the plants were extracted from leafs, in the clevenger apparatus and to determine the main constituents was carried out the gas chromatography coupled to mass spectrometry. The Egg eclodibility assay (EEA) and Larval development test (DLT) were performed using essential oils at concentrations ranged from 75 at 0.2%. mg.mL, and all tests followed by commercial anthelmintic positive control and negative control distilled water. For EEA, A. triphylla e L. alba OEs demonstred equivalente efficacy to the commercial drug at all concentrations that was tested, while P. gaudichaudianum OE demonstred equivalente efficacy at 15 mg/mL and the C. citriodora OE at 10 mg/mL. About DLT, all concentratios of the studied essential oils were effective as the comercial drug results in this test. The dominant constituent in OEs were: geraniale (A. triphylla), citronellal (L. alba), linalool (L. alba) and α-humuleno (P. gaudichaudianum). Based on the results presented here, the OEs present potential for use as natural anthelmintics for the treatment of endoparasitosis in sheep.

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Levantamento sazonal de nematódeos gastrointestinais em um rebanho ovino leiteiro

Cited by 3 publications

References 18 publications

Gastrointestinal parasitosis of sheep on farms of the Poltava region

Gastrointestinal parasitosis of sheep on farms of the Poltava region

Molecular identification and phylogenetic analysis of gastrointestinal nematodes in different populations of Kazakh sheep

Essential oils against gastrointestinal nematodes in sheep in vitro and chemical composition of those plants

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