| Anaplasma marginale infection in Holstein calves during winter |
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Joo-mook Lee, Oh-deog Kwon, Hee-jong Song, Jin-ho Park, Kyoung-seong Choi |
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College of Veterinary Medicine, Chonbuk National University |
| 겨울철에 발생한 Holstein 송아지의 Anaplasma marginale 감염 |
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이주묵, 권오덕, 송희종, 박진호, 최경성 |
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전북대학교 수의과대학 |
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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 $27.7{pm}7.7%$, erythrocyte $6.9{pm}1.9{ imes}10^6/{mu}l$, hemoglobin $11.3{pm}3.2g/dl$, MCV $40.6{pm}1.5fl$, MCH $16.3{pm}1.6pg$ and MCHC $40.5{pm}3.6g/dl$. Anaplasma marginale was observed in all of the calves's erythrocytes by Diff-Quick and acridine orange staining, and were reacted by ELISA. |
| Key Words:
calves, Anaplasma marginale, winter season |
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