Intestinal Coccidiosis in Cattle

Ernst, John V.; Benz, Gerald W.

doi:10.1016/s0749-0720(15)31238-x

Cited by 46 publications

(41 citation statements)

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“…In addition, the various Eimeria species were differentiated morphologically as described by Ernst and Benz (1986). The opg was determined 3 times a week for the first 14 study days, then daily.…”

Section: Methodsmentioning

confidence: 99%

“…The two most pathogenic coccidian species in cattle are Eimeria bovis and Eimeria zuernii (Marshall et al 1998;Ernst and Benz 1986); they induce clinical coccidiosis resulting in losses, especially in calves of up to 1 year of age, and occur worldwide (Ernst and Benz 1986). Therefore treatment of this important disease is of special interest in calf-rearing farms.…”

Section: Introductionmentioning

confidence: 99%

“…Typical signs of clinical disease are diarrhoea, reduced weight gain, weakness, listlessness and frequently secondary bacterial infections (Ernst and Benz 1986).…”

Section: Introductionmentioning

confidence: 99%

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Control of clinical coccidiosis of calves due to Eimeria bovis and Eimeria zuernii with toltrazuril under field conditions

Mundt

Bangoura²,

Mengel

et al. 2005

Parasitol Res

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The efficacy of metaphylactic treatment with toltrazuril (Baycox 5% suspension) against natural infections with Eimeria bovis and/or Eimeria zuernii in calves was investigated. The study was conducted with 208 calves on five calf-rearing farms in Germany and the Czech Republic. All participating farms had a notable incidence of coccidiosis. Animals were treated 14 days after stabling in the respective facility. One group was treated with 15 mg toltrazuril/kg body weight, and a second group served as the sham-treated control. Assessment of efficacy was based on faecal consistency and oocyst excretion of E. bovis and E. zuernii, both investigated throughout the study. Duration and rate of oocyst excretion as well as number of scour days with E. bovis or E. zuernii oocyst shedding and the severity of diarrhoea were significantly lower in the toltrazuril-treated groups. It is concluded that a single metaphylactic treatment with toltrazuril controls coccidiosis of housed calves under various field conditions.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Control of clinical coccidiosis of calves due to Eimeria bovis and Eimeria zuernii with toltrazuril under field conditions

Mundt

Bangoura²,

Mengel

et al. 2005

Parasitol Res

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“…Eimeria bovis and Eimeria zuernii are known to be highly pathogenic eimerian species in cattle worldwide, causing morbidity and even mortality associated with diarrhea, mucus and blood stains [4,5]. While most species are considered harmless, bovine coccidiosis is often associated with diarrhoeal diseases which lead to reduced weight gain and economic losses [4].…”

Section: Introductionmentioning

confidence: 99%

Subclinical Bovine Coccidiosis in Al -Baha Area, Saudi Arabia

Ibrahim¹,

Soliman²,

Alghamdi³

2015

Int J Vet Sci Res

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Subclinical bovine coccidiosis is an economic problem worldwide because they appear normal outwardly, but developmental stages damage the absorptive surface of the intestine and weaken the immune system. Information on the occurrence, diversity and economic losses due to Eimeria infection in cattle is lacking in Al-Baha area. The objective of this work was to study prevalence of subclinical bovine coccidia, throughout Al-Baha area and to evaluate various factors that might potentially influence prevalence and rate of pathogen excretion. A cross sectional study was conducted from July 2014 up to Jun 2015. Out of the total 534 fecal samples examined for Eimeria, 167 (31.27%) were found infected with eight species of Eimeria. Eimeria bovis was found to be the highest frequent species (25.84%), followed in order by E. zuernii (20.78%), E. ellipsoidalis (13.11%), E. canadensis (10.86%), E. alabamensis (8.05%), E. auburnensis (7.78%), E. cylindrica (5.43%), and E. subspherica (2.06%). Young cattle (≤12 month old) had significantly higher infection (P<0.01) of Eimeria. Higher infection of Eimeria was observed in female cattle compared to male ones. Co-infection was commonly present and declined with host age. Positive pair-wise associations were found between Eimeria species. In conclusion, this study was confirm that farm management frequently does not meet the requirements of effective coccidian control and the pathogenic coccidian, E. bovis and E. zuernii are the highest prevalent species in Al-Baha cattle populations. Further epidemiological investigations are required to investigate the different agro-ecological risk factor on the occurrence of bovine coccidiosis.

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“…Mixed faeces samples with OoPG ≥500 were allowed to sporulate in Petri dishes with 2.5% potassium dichromate solution for seven days in a BOD incubator. For identification, 100 sporulated oocysts were randomly counted, and the species identified according to parameters proposed by Ernst & Benz (1986). The zinc sulfate at 33% flotation technique was used for the detection of Giardia spp.…”

Section: Coproparasitological Analysis and Weighingmentioning

confidence: 99%

Economic evaluation and efficacy of strategic-selective treatment of gastrointestinal parasites in dairy calves

Blanco

Barbieri

Lima

et al. 2017

Rev. Bras. Parasitol. Vet.

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In the Experimental Farm of the Universidade Federal de Lavras (EF-UFLA), state of Minas Gerais, Brazil, on their day of birth, female Holstein calves were randomly selected and placed into two groups containing fifteen animals each: Strategic-Selective Treatment (S-ST) or Conventional Treatment (CT). In the S-ST, calves were treated after coproparasitological examinations according to criteria established previously by the researchers. Calves in the CT were treated according to the opinion of the veterinarian of EF-UFLA. For statistical analysis, the frequency (%) of fecal samples with count of eggs per gram of feces (EPG) ≥300, count of oocysts per gram of feces (OoPG) ≥500 and fecal samples with count of cysts of Giardia spp. ≥1 were conducted. The overall average frequency of fecal samples with EPG ≥300, OoPG ≥500 and Giardia spp. cysts ≥1, respectively, was similar (p >0.05) between S-ST (20.3%; 17.3%; and 31.5%) and CT (26.4%; 23.9%; and 37.3%). The effective operational cost, per animal, in 12 months, was of R$ 784.58 (US$ 241.41) and R$ 83.90 (US$ 25.81) in S-ST and CT, respectively. The S-ST requires adjustments to be used as a technically efficient and economically viable alternative for the control of gastrointestinal parasitosis in female Holstein calves.Keywords: Bovine, gastrointestinal nematodes, Eimeria, Giardia, costs. ResumoNa Fazenda Experimental da Universidade Federal de Lavras (FE-UFLA), Minas Gerais, Brasil, no dia do nascimento, bezerras da raça holandesa foram sorteadas de forma aleatória para compor um dos dois grupos, formados por 15 animais cada: Tratamento Estratégico-Seletivo (TE-S) ou Tratamento Convencional (TC). No TE-S, as bezerras foram tratadas após exames coproparasitológicos de acordo com critérios previamente estabelecidos pelos pesquisadores. No TC, as bezerras foram tratadas conforme orientação do veterinário da FE-UFLA. Em ambos grupos, as bezerras foram monitoradas a cada 14 dias, do nascimento até os 12 meses de idade, por meio de exames coproparasitológicos. Para análise estatística, considerou-se a frequência (%) de amostras fecais com contagem de ovos por grama de fezes (OPG) ≥300, contagem de oocistos por grama de fezes (OoPG) ≥500, e amostras fecais com contagem de cistos de Giardia spp. ≥1. A frequência média global de amostras fecais com contagem de OPG ≥300, OoPG ≥500 e cistos de Giardia spp. ≥1, respectivamente, foi similar (p >0,05) entre TE-S (20,3%; 17,3%; e 31,5%) e TC (26,4%; 23,9%; e 37,3%). O custo operacional efetivo, por animal, em 12 meses, foi R$ 784,58 (US$ 241.40) e R$ 83,90 (US$ 25.81) para TE-S e TC, respectivamente. O TE-S necessita de ajustes para que possa ser indicado como uma alternativa, tecnicamente eficiente e economicamente viável, no controle das parasitoses gastrointestinais em bezerras leiteiras.

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Intestinal Coccidiosis in Cattle

Cited by 46 publications

References 0 publications

Control of clinical coccidiosis of calves due to Eimeria bovis and Eimeria zuernii with toltrazuril under field conditions

Control of clinical coccidiosis of calves due to Eimeria bovis and Eimeria zuernii with toltrazuril under field conditions

Subclinical Bovine Coccidiosis in Al -Baha Area, Saudi Arabia

Economic evaluation and efficacy of strategic-selective treatment of gastrointestinal parasites in dairy calves

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