Epidemiological Studies on Some Infectious Diseases Causing Abortion in Sheep

Farag, Heba E.; Abdallah, Mona; Mohamed, A.S.R.; Nossair, A.

doi:10.5455/ajvs.31565

Cited by 1 publication

(2 citation statements)

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“…Of the total number of ewes which aborted due to listerosis, 8.3% were under the age of two years, 15.1% were aged two to three years, and 23.3% were older than three years [71]; the authors also note that some breeds appeared to be more susceptible to infections than others. However, contradictory results have been obtained in other studies [70] and more research is also needed in this area. Despite this, Shehab & El-Ash, also note a correlation between Listeria spp.…”

Section: Aaem Annals Of Agricultural and Environmental Medicinementioning

confidence: 83%

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Current state of knowledge regarding bacterially-induced abortion in sheep

Didkowska¹,

Żmuda²,

Liberska³

et al. 2022

Ann Agric Environ Med.

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Introduction and Objective. Abortion can occur in sheep, among others, in response to bacterial infection. The present article reviews the latest reports on the various economic and health consequences for the herd, other animals and humans. Review methods. Two independent reviewers searched in PubMed and Google scholar (any date to September 2021) for studies concerning bacterial abortion in sheep. Keywords for the search strategy were: bacteria, sheep, and abortion. Papers were reviewed for scientific merit and relevance as well as for current information. Brief description of the state of knowledge. In the reviewed literature, much attention was paid to infections by Brucella spp., Campylobacter spp., Coxiella burnetti, Listeria spp., and Salmonella spp. As the presence of these bacteria varies according to region, any differential diagnosis should consider the most common pathogens in a given area. It also should be noted that most of the described pathogens have zoonotic potential and, as such, it is extremely important to observe safety rules when assisting in delivering births and when dealing with stillbirths. Conclusions. Identification of the etiological agent seems to be a key factor in the management of abortions, especially in flocks where their numbers appear to be increasing; this is needed to manage and control disease in the flock, and to protect humans and other animal species on the farm. Most studies use molecular methods as diagnostic tools, mainly PCR, and use both foetuses and placenta as research material.

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Section: Aaem Annals Of Agricultural and Environmental Medicinementioning

confidence: 83%

“…A study of 100 aborted ewes between April -October 2020 in Egypt [70] found 11 to be positive for Listeria spp. Of these, the highest frequency was observed for L. ivanovii (36.8%), followed by L. monocytogenes (31.6%), L. innocua (21.1%) and L. grayi (10.5%).…”

Section: Aaem Annals Of Agricultural and Environmental Medicinementioning

confidence: 99%