Babesia in sheep-first isolation

Reid, JF; Armour, J.; Fw, Jennings; Urquhart, GM

doi:10.1136/vr.99.21.419-a

Cited by 9 publications

(3 citation statements)

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“…Thomson and Hall (1933) described B. motasi (2.5 -3.5 9 1.2 -1.5 lm) from sheep in northern Nigeria. Ried et al (1976) described the parasite as a small Babesia (2 lm in length). Christensson and Thunegard (1981) reported B. motasi (3.1 9 1.9 lm) as large and small forms (2.2 9 1.8 lm).…”

Section: Introductionmentioning

confidence: 99%

Detection of incidence of Babesia spp. in sheep and goats by parasitological diagnostic techniques

et al. 2019

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The present study was undertaken on epidemiology and diagnosis of babesiosis in sheep and goats in Bengaluru Urban and Rural districts of Karnataka state from November 2017 to May 2018. Out of 343 (225 sheep and 118 goats) blood smears examined by Giemsa and acridine orange (AO) fluorescent dye staining methods, 3.55 and 4.0 per cent of sheep and 0.84 and 1.69 per cent of goat samples were found positive for Babesia organisms, respectively. The sensitivity and specificity was found to be higher in AO fluorescent dye staining method. In agewise susceptibility, the percent positivity was found to be higher in animals [ 6 months old. In genderwise susceptibility, the percent positivity was found to be higher in females than males. Hence, AO fluorescent dye staining method is found to be very rapid and cost effective diagnostic method for treatment and control of babesiosis.

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Section: Introductionmentioning

confidence: 99%

Detection of incidence of Babesia spp. in sheep and goats by parasitological diagnostic techniques

et al. 2019

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“…Measurements of the parasite compared to B. capreoli and B. divergens suggest that it is more likely to be B. capreoli. The original suggestion of Professor D. W. Brocklesby (quoted by Reid et al 1976) that the infection may have been derived from red deer via the tick /. ricinus appears valid.…”

Section: Discussionmentioning

confidence: 99%

Investigations on a Babesia isolated from Scottish sheep

et al. 1981

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SUMMARYThe pathognomic, serologie and morphometric identity of a Babesia sp. recently isolated from sheep in Argyllshire was studied. Initially, problems were encountered due to the occurrence of Eperythrozoon ovis as a contaminant of the isolate and treatment with neoarsphenamine failed to remove it. Finally, a combination of oxytetracycline therapy and rapid passage allowed isolation of the Babesia sp. and its preservation in the form of a glycerolized, infected blood stabilate. Inoculation of the stabilate into splenectomized sheep produced a mild non-pyrogenic disease. Serologically the parasite was seen to have no affinity with either of the two Babesia recognized as parasitizing sheep, but some affinity with the cattle parasite B. divergens. Morphometrically it was seen to have affinity with the deer parasite B. capreoli and with the Babesia sp. isolated from red deer in Scotland, and the low number of budding forms of the parasite seen suggested that the parasite might be reproducing slowly in an alien host. It was concluded that the parasite was likely to be B. capreoli derived from red deer via the tick Ixodes ricinus.

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“…Two species of Babesia in sheep have been reported in north-western Europe, a large one in western Germany which Enigk (7) considered to be Babesia motasi Wenyon, 1926, and a smaller parasite in Scotland (28), which was thought by Irvin and Young (14) to be Babesia ovisStarcovici, 1893, while other British workers considered the possibility that it might originate from deer (R. E. Purnell, pers. comm., 1978).…”

Section: Introductionmentioning

confidence: 99%