Eimeria species in young and adult sheep raised under intensive and / or semi-intensive systems of a herd from Umuarama city, Parana State, Brazil

Lopes, Welber Daniel Zanetti; Borges, Fernando de Almeida; Faiolla, Thais de Paula; Antunes, Liliane Tada; Borges, Dyego Gonçalves Lino; Rodríguez, Fernando; Ferraro, Gisela Cristiane; Teixeira, Weslen Fabrício Pires; Maciel, W. J.; Felippelli, Gustavo; Costa, Alvimar José da; Pereira, Valdomiro; Martinez, Antônio Campanha

doi:10.1590/s0103-84782013001100018

Cited by 18 publications

(18 citation statements)

References 13 publications

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“…In our study, lambs were found to be more infected by Eimeria species than adults and older animals. This is in line with the reports of Radostits et al (9), Ayana et al (4), Khan et al (10), and Lopes et al (29), who stated that lambs are more susceptible than ewes or yearlings. Similarly, Nourollahi-Fard et al (7) encountered a higher prevalence of Eimeria infection in lambs than in yearlings and adults.…”

Section: Discussionsupporting

confidence: 91%

“…Similarly, Yakhchali and Golami (8) reported sex influences the prevalence of ovine coccidiosis. This might be ascribed to sex-related factors, such as the physiological stress experienced by female animals in relation to pregnancy; giving birth and lactation could also cause female animals to be more susceptible to Eimeria infections (24,29).…”

Section: Discussionmentioning

confidence: 99%

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Ovine coccidiosis: prevalence and associated risk factors inand around Addis-Zemen, Northwest Ethiopia

Lakew¹,

Tarekegn²

2016

Turk J Vet Anim Sci

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Section: Discussionsupporting

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Ovine coccidiosis: prevalence and associated risk factors inand around Addis-Zemen, Northwest Ethiopia

Lakew¹,

Tarekegn²

2016

Turk J Vet Anim Sci

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“…in sheep younger than 2 years was obtained. This finding complies with those reported in previous works [34,35] and can be strongly linked by the age-related development of immunity against this parasite. The possible acquired immunity against parasites by older animals has been experimentally demonstrated [36].…”

Section: Discussionsupporting

confidence: 93%

Prevalence of gastrointestinal parasitic infections in cattle and sheep in two regions of Romania

Sirbu¹,

Imre²,

Dărăbuş³

et al. 2020

Turk J Vet Anim Sci

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Amongst ruminant livestock diseases, the gastrointestinal (GIT) helminths and protozoan parasite infections result in a significant socioeconomic concern worldwide. During the period between October 2017 and November 2018, a total of 788 fresh fecal specimens from cattle (n = 303) and sheep (n = 485) were screened for the presence of gastrointestinal helminths and protozoan parasites in two historical regions (Crisana and Banat) of western Romania. Laboratory processing of fecal samples with the simple salt flotation (Willis) and sedimentation techniques, followed by microscopic analysis revealed that 86.1% of cattle and 92.6% of sheep were found to be positive for at least one parasitic stage of GIT helminths and/or protozoa. Five endoparasites were identified in both cattle (C) and sheep (S), and their prevalence was as follows: Eimeria spp. 24.1% (C), 43.7% (S); Balantidium spp. 10.2% (C), 1% (S); Fasciola/ Paramphistomum spp. 55.8% (C), 75% (S); Dicrocoelium spp. 14.2% (C), 3.2% (S); and Strongylid eggs 46.9% (C), 71.3% (S). In addition, Toxocara spp. (0.3%) genera were found in cattle, while Nematodirus spp. (24.5%) and Moniezia spp. (3.5%) were observed only in sheep. The strongylid infections were significantly more prevalent (P < 0.05) in cattle older than 8 years, while the coccidial ones were positively associated (P < 0.05) with sheep younger than 2 years. The study provides useful information for veterinary practitioners in order to develop effective prevention and control strategies against gastrointestinal parasitic infections in the studied regions.

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“…To better understand the degree of Eimeria infection in the different categories (age) and aptitude (milk or beef cattle), the results of the OoPG counts were subdivided into scales of values, according to recommendations made by Lopes et al (2013), adapted, and will be presented in the Tables 1 an 4 of the present manuscript.…”

Section: Selection Of Farms and Animalsmentioning

confidence: 99%

Eimeria species in dairy and beef cattle of different ages in Goiás state, Brazil

Cruvinel

Nicaretta

Bastos

et al. 2018

Rev. Bras. Parasitol. Vet.

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This study aimed to identify the frequency of occurrence of Eimeria species in Holstein (taurine dairy cattle) and Nelore (zebu beef cattle) on 12 farms in the state of Goiás, Brazil. A total of 2,601 animals were evaluated, and the cattle were divided into the following age-group categories: up to three months old, four to eight months old, nine to 16 months old and cows. Fecal samples were collected directly from the rectum of all animals. None of the cattle presented any clinical signs of eimeriosis during the survey. From the results obtained, it could be concluded that higher rates of infection by Eimeria spp. were observed in Holstein cattle between the 1st and 16 th months of age and in Nelore cattle between the 1st and 8th months of age. Twelve and nine Eimeria species were diagnosed in Holstein and Nelore cattle, respectively. However, Eimeria zuernii was more prevalent in animals up to three months old, while Eimeria bovis was more common in the remaining categories (cattle aged four months and over). Future studies on the epidemiology and/or seasonality of infection by Eimeria species in cattle, from birth onwards, are needed in order to better understand the dynamics of E. zuernii and E. bovis occurrences, especially in cattle under three months of age.

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Eimeria species in young and adult sheep raised under intensive and / or semi-intensive systems of a herd from Umuarama city, Parana State, Brazil

Cited by 18 publications

References 13 publications

Ovine coccidiosis: prevalence and associated risk factors inand around Addis-Zemen, Northwest Ethiopia

Ovine coccidiosis: prevalence and associated risk factors inand around Addis-Zemen, Northwest Ethiopia

Prevalence of gastrointestinal parasitic infections in cattle and sheep in two regions of Romania

Eimeria species in dairy and beef cattle of different ages in Goiás state, Brazil

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