Peripheral lymphocyte counts in Holstein-Friesian cattle infected with bovine leukemia virus in Korea
2005
Suh, G.H. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea), E-mail: ghsuh@rda.go.kr | Lee, C.G. (Chonnam National University, Gwangju, Republic of Korea) | Lee, J.C. (Seojeong College, Yangju, Republic of Korea) | Hur, T.Y. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Kang, S.J. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Son, D.S. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Ahn, B.S. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Kim, N.C. (National Livestock Research Institute, RDA, Cheonan, Republic of Korea) | Lee, C.Y. (Chonnam National University, Gwangju, Republic of Korea)
Hematologic investigations were made on the blood samples taken from bovine leukemia virus (BLV)-seropositive Holstein-Friesian cattle in Korea, and their absolute lymphocyte count was compared with that of BLV-seronegative cattle. The incidence of persistent lymphocytosis (PL) was also determined. The normal bovine lymphocyte count was established on the basis of studies of 656 blood samples taken three times from 297 seronegative animals aged from 0~6 months to over 5 years at 5~6-month intervals. The data were examined according to 7 age groups of samples placed into their respective age groups.
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