Journal of Embryo Transfer (한국수정란이식학회지)

The Korean Society of Embryo Transfer (한국수정란이식학회)
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Analysis of Hematologic Characteristics of Korean Native Stripped Cattle Chickso according to the Ages

성장 단계별 희소 한우(칡소)의 혈액학적 분석

  • Kim, Hyun (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Cho, Young Moo (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Ko, Yeoung-Gyu (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Kim, Nam-Tae (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Kim, Sung Woo (Animal Genetic Resources Station, National Institute of Animal Science, RDA) ;
  • Seong, Hwan-Hoo (Animal Genetic Resources Station, National Institute of Animal Science, RDA)
  • 김현 (농촌진흥청 국립축산과학원 가축유전자원시험장) ;
  • 조영무 (농촌진흥청 국립축산과학원 가축유전자원시험장) ;
  • 고응규 (농촌진흥청 국립축산과학원 가축유전자원시험장) ;
  • 김남태 (농촌진흥청 국립축산과학원 가축유전자원시험장) ;
  • 김성우 (농촌진흥청 국립축산과학원 가축유전자원시험장) ;
  • 성환후 (농촌진흥청 국립축산과학원 가축유전자원시험장)
  • Received : 2014.09.16
  • Accepted : 2014.09.29
  • Published : 2014.09.30
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Abstract

Investigations for hematologic values and the differential count of WBC for Korean indigenous cattle (KIC) and Stripped Cattle (SC) are rarely performed. Therefore, when the index of complete blood counts (CBC) analysis of KIC and SC were requested, it had many difficulties to make the results for blood condition since the standard hematologic values of KIC and SC are lacking. The objective of this study was to investigated the hematologic values and the differential count of WBC for blood of total 19 striped cattle (SC) and 187 KIC as a control by estimation analysis of hematologic characteristics. As a result, the mean values of RBC and platelet of KIC were significantly decreased by age (P<0.05). The mean values of RBC, HCT, MCV and MCHC between KIC and SC of the same age (2~3 years) showed the statistical significance (P<0.05). Also, in the WBC of KIC, the mean values were decreased according to the age from $13.8{\times}10^3/{\mu}l$ under 1 year to $9.5{\times}10^3/{\mu}l$ over 5 years. In the differential count of WBC of KIC, it showed generally the rates of 46.2% lymphocyte and 36% segmented neutrophil. Additionally, in comparative analysis between pregnant and non-pregnant group of KIC, the mean values of Hg and HCT in pregnant group were significantly decreased(P<0.05). In conclusion, data obtained from this study may be valuable as a standard for interpretation of the results in hematologic analysis of KIC. Result of this study will be used for establishing reference range for hematologic analysis in SC.

2013년 11월부터 2014년 7월까지 가축유전자원시험장 장내에서 사육 중인 한우 및 칡소 206두(한우 187두, 칡소 19두)를 대상으로 연령별, 종별 그리고 성별로 각각 분류하고, 이들에 대한 혈액학적 수치를 확인하였다. 혈액학적 검사 결과에서 1년 이하에서 5년 이상으로 연령이 증가됨에 따라 RBC($12.0{\sim}9.5{\times}10^6/{\mu}l$로)와 PLT치($717{\sim}432{\times}10^3/{\mu}l$로)에서 각각 유의성 있는 감소(P<0.05)가 인정되었다. 동일 연령(2~3년)의 한우군과 칡소군 간에서의 비교에서는 RBC($10.1{\sim}10.4{\times}10^6/{\mu}l$)와 HCT(44.8~42.1%), MCV(49.4~44.9 fl) 및 MCHC (28.9~31.1 g/dl)에서 두 품종 간의 차이점이 인정되었으며, MCV와 MCHC에서도 통계적 유의성이 인정되었다(P<0.05). 또한, 백혈구계 검사 결과에서도 연령이 증가함에 따라 WBC 수치(1년 이하의 13.8에서 5년 이상의 $9.5{\times}10^3/{\mu}l$로)가 감소하는 경향이 인정되었으며, 백혈구 분포의 백분율에서는 전반적으로 림프구가 46.2%를, 분엽형 호중구가 35.6%로 나타났다. 한우군과 칡소군 간의 백혈구계 비교에서는 칡소군의 분엽형 호중구치가 $2.7{\times}10^3/{\mu}l$로서 한우군에 비하여 유의성 있는 저하(P<0.05)가 인정되었으며, 림프구치는 $5.2{\times}10^3/{\mu}l$로 $4.7{\times}10^3/{\mu}l$ 한우군에 비하여 높게 나타났다. 임신우군과 비임신우군 간의 비교 분석에서는 Hg(9.9 g/dl)과 HCT(40.5%)이 비임신군에 비하여 통계적 유의성이 있는 저하(P<0.05)가 인정되었으며, 총 백혈구수와 분엽형 호중구수, 림프구수 모두 비임신우군에 비하여 높게 나타났지만, 통계적 유의성은 인정되지 않았다.

Keywords

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