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KMID : 0359319970370040911
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Korean Journal of Veterinary Research
1997 Volume.37 No. 4 p.911 ~ p.916
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Anaplasma marginale infection in Holstein calves during winter
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Abstract
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We observed an outbreak of calf anaplasmosis at a farm in Chonbuk area during winter season, which was diagnosed by the hematological and serological tests. The results are as follow.
On hematological observation for infected thirteen calves (ages 1 to 25 days) showed anemia with hematocrit 27.7±7.7%, erythrocyte 6.9±1.9 × l0^6/μl, hemoglobin 11.3±3.2 g/㎗, MCV 40.6±1.5fl, MCH 16.3±1.6pg and MCHC 40.5±3.6g/㎗.
Anaplasma marginale was observed in all of the calves´s erythrocytes by Diff-Quick and acridine orange staining, and were reacted by ELISA.
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