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186648

AN OUTBREAK OF THEILERIA ANNULATA - INFECTIONS AMONG FRESIAN CATTLE AT AL GASSIM AREA OF SAUDI ARABIA

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Last updated: 05 Jan 2025

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Abstract

Six fatality cases out of twenty three infected fresian cattle, in a dairy farm in an outskirt of Burreidah city, were reported to the Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, King Saud University. Field observations showed clinical signs suggestive of acute Theileria infection marked by fever, reaching up to 41 C, respiratory distresses, swellings of the superficial lymph nodes and a black diarrhoea. Almost all the animals were heavily infested with ticks. Mature and immature specimens were quite numerous specially on the ear regions of cattle. They were identified as Hyalomma anatolicum anatolicum. Quick diagnosis was made by the demonstration of schizonts and erythrocytic forms of Theileria annulata in both Leishman and Giemsa - stained blood smears. The erythrocytic forms were rodlike, oval, comma-shap < /strong>ed and crescent-shaped. The rate of ap < /strong>pearance of these forms was 30%. Schizonts were irregular in shape and quite numerous in the lymphocytes of the circulating blood. Fourteen out of seventeen clinical cases were treated with Clexon drug and showed complete recovery.

DOI

10.21608/avmj.1992.186648

Authors

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M.

Last Name

MAGZOUB

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First Name

O.H.

Last Name

OMER

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First Name

E.M.

Last Name

HAROUN

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First Name

A.A.

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MOTTELIB

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Volume

28.1

Article Issue

55

Related Issue

26915

Issue Date

1992-10-01

Receive Date

1992-07-25

Publish Date

1992-10-01

Page Start

206

Page End

214

Print ISSN

1012-5973

Online ISSN

2314-5226

Article File

AVMJ_Volume 28.1_Issue 55_Pages 206-214.pdf

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https://avmj.journals.ekb.eg/article_186648.html

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https://avmj.journals.ekb.eg/service?article_code=186648

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19

Type

Research article

Type Code

1,840

Publication Type

Journal

Publication Title

Assiut Veterinary Medical Journal

Publication Link

https://avmj.journals.ekb.eg/

MainTitle

AN OUTBREAK OF THEILERIA ANNULATA - INFECTIONS AMONG FRESIAN CATTLE AT AL GASSIM AREA OF SAUDI ARABIA

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Article

Created At

23 Jan 2023