Ruminant Coccidiosis

Bangoura, Berit; Bardsley, Katherine D.

doi:10.1016/j.cvfa.2019.12.006

Cited by 66 publications

(87 citation statements)

References 51 publications

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“…The 10-year surveillance program indicates that eimeriosis is common (up to 100%) in cattle and water buffaloes in the Mediterranean area studied as in different parts of the world (5,7,8,11,13,15,35,36). The overall prevalence of Eimeria spp.…”

Section: Discussionmentioning

confidence: 99%

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A 10-Year Surveillance of Eimeria spp. in Cattle and Buffaloes in a Mediterranean Area

et al. 2020

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Coccidiosis due to Eimeria spp. are widespread parasitic infections in cattle and water buffaloes and may impair health, welfare, and production of these livestock species. The aims of this study were (i) to investigate the prevalence and seasonal dynamics of eimeriosis and (ii) to characterize the Eimeria species in large ruminants in a Mediterranean area, in order to plan effective control strategies. Parasitological data were obtained from a 10-year surveillance program (2010-2019) on 3,631 farms (2,089 buffalo and 1,542 cattle farms) sampled in central and southern Italy. Pooled fecal samples were analyzed using the FLOTAC technique with an analytic sensitivity of 2 oocysts per gram of feces (OPG) utilizing a saturated sodium chloride flotation solution (specific gravity = 1.200). Eimeria species identification was performed by morphometric analysis after a one week incubation of oocysts in a 2.5% potassium dichromate solution. The results showed high prevalence of Eimeria (up to 100%) in both cattle and buffaloes in the 10 years of surveillance, even if a slight reduction was reported in the last three years. The overall prevalence of eimeriosis was 91.7% (95% confidence interval, 95% CI = 90.2-93.1) in cattle farms and 81.5% (95% CI = 79.8-83.1) in water buffalo farms. The mean OPG value was 66.8 (min = 2; max = 8,065) in cattle and 55.9 (min = 2; max = 15,415) in water buffaloes, but this difference was not statistically significant (p > 0.05). In total, nine species of Eimeria were found in cattle the most prevalent being Eimeria bovis, E. ellipsoidalis, E. cylindrica, and E. zuernii, whereas in water buffaloes eight species of Eimeria were found, the most prevalent being E. ellipsoidalis, E. auburnensis, E. bovis, and E. zuernii. Mixed infections were common in both ruminant species. The seasonal pattern showed a higher prevalence of eimeriosis in cattle in spring (86.9%) whereas in buffalo farms the prevalence was higher in winter (82.3%) and summer (82.4%). In conclusion, the 10-year surveillance program indicates that eimeriosis is common in cattle and water buffaloes and therefore continuous effective control strategies are needed.

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Section: Discussionmentioning

confidence: 99%

“…Usually adult animals are asymptomatic, although they can be a reservoir for younger ones (14,15), whereas calves can show gastrointestinal (GI) signs, such as diarrhea, dysentery, dehydration, debilitation, and even death (5,8).…”

Section: Introductionmentioning

confidence: 99%

A 10-Year Surveillance of Eimeria spp. in Cattle and Buffaloes in a Mediterranean Area

et al. 2020

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“…Eimeria sp. is considered to have high host speci city and has strict selectivity to parasitic host animals and parts [18]. Therefore, each host animal has its own Eimeria origin in the classi cation of Eimeria sp.…”

Section: Discussionmentioning

confidence: 99%

“…species are generally gastrointestinal parasites, and most species of Eimeria sp. are exclusively located in the intestine [18]. Coccidiosis is widespread among ruminants [19], the intestinal coccidiosis of captive forest musk deer is one of the important mass diseases, especially endangering young animals, which causes the decrease of feed utilization rate, growth rate, production performance, and musk production capacity [20].…”

Section: Introductionmentioning

confidence: 99%

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First report on molecular identification of Eimeria sp. from captive forest musk deer

Ren

Zhao

et al. 2020

Preprint

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Background: Forest musk deer (Moschus berezovskii) is a national first-level protected and endangered wild animals in China. The intestinal coccidiosis of captive forest musk deer is one of the most important diseases. However, few studies have been conducted to quantify Eimeria sp. infection and to identify its molecules. Thus, the objective of this study was to investigate the Eimeria sp. infection in the intestinal tract of forest musk deer in Sichuan and Shaanxi, China, and to identify the 18S rRNA gene fragment of Eimeria sp. , which provides scientific basic experimental data for the molecular epidemiological investigation and population genetic analysis of Eimeria sp. of captive forest musk deer in 7 regions.Methods: 328 faecal samples of forest musk deer were collected from 7 farms. The DNA of Eimeria sp. in the positive samples was extracted and used as template for nested PCR amplification. The 18S rRNA gene fragment was connected with the plasmid vector, and the products were introduced into Escherichia coli (DH5α). The culture bacterial solution was used as a PCR reaction template for identification.Results: In total, we collected 328 faecal samples from forest musk deer in Lixian (n=54), Maoxian (n=52), Ma’erkang (n=49), Dujiangyan (n=55), Hanyuan (n=41), Luding (n=36) and Weinan (n=41). 198 (60.37%) faecal samples were positive for Eimeria sp. We analyzed the 18S rRNA gene sequence of Eimeria sp, and determined 34 types with similarity of 90.5% ~ 100%. A phylogenetic tree constructed based on the 18S rRNA gene sequence of Eimeria sp., it was confirmed that Eimeria sp. parasitized in the intestinal tract of forest musk deer was closely related to Eimeria alabamensis from Bos taurus, Eimeria faurei from Ovis aries and Eimeria ahsata from Ovis aries.Conclusions: To our knowledge, this was the first molecular identification of Eimeria sp. in the intestinal tract of forest musk deer. The study suggested that Eimeria sp. parasitizes in the intestinal tract of forest musk deer, which is their carrier.

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Antimicrobial Therapy in Dairy Cattle

Wagner,

Depenbrock

2024

Antimicrobial Therapy in Veterinary Medicine

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Ruminant Coccidiosis

Cited by 66 publications

References 51 publications

A 10-Year Surveillance of Eimeria spp. in Cattle and Buffaloes in a Mediterranean Area

A 10-Year Surveillance of Eimeria spp. in Cattle and Buffaloes in a Mediterranean Area

First report on molecular identification of Eimeria sp. from captive forest musk deer

Antimicrobial Therapy in Dairy Cattle

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