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      • KCI등재

        원유내(原乳內) 체세포수(體細胞數) 측정(測定)을 위한 Fossomatic과 Coulter Counter 방법(方法)의 비교(比較)

        이연구 ( Chung Goo Lee ),손봉환 ( Bong Whan Sohn ),이정길 ( Chung Gil Lee ),고홍범 ( Hong Bum Koh ) 한국가축위생학회 1993 韓國家畜衛生學會誌 Vol.16 No.1

        Samples of bulk herd milk, foremilk, last milk(stripping) and individual cow sample were collected and their somatic cell number were counted with Fossomatic counter(FCC), Coulter counter(CC), direct microscopic somatic cell count(DMSCC) and Califormia mastitis test(CMT). The results were compared and summarized as fallows: 1. Mean somatic cell counts of 120 bulk herd milk samples obtained by DMSCC, FCC and CC were 433,203, 481,213 and 676,245 respectively. 2. Mean somatic cell counts of 116 foremilk samples obtained by DMSCC, FCC and CC were 515,035, 611,845 and 725,051 respectively. 3. Mean somatic cell counts of 87 last milk samples obtained by DMSCC, FCC and CC were 718,506,839,874 and 1,041,160respectively. 4. Mean somatic cell counts of 57 individual cow samples obtained by DMSCC, FCC and CC were 449,258, 491,018 and 621,315 respectively. 5. Mean somatic cell counts of all samples increased with the increasing CMT score, and the cell counts were higher by CC than by FCC. 6. The correlation coefficients between the somatic cell counts by CMT and CC were 0.926 in bulk herd milk, 0.707 in foremilk 0.688 in last milk and 0.675 in individual cow sample, respectively. 7. The correlation coefficients between the somatic cell conuts by CMT and FCC were 0.945 in bulk herd milk, 0.705 in foremilk 0.694 in last milk and 0.727 in individual cow sample, respectively. 8. The correlation coefficients between the somatic cell conuts by CC and FCC were 0.978 in bulk herd milk, 0.997 in foremilk 0.983 in last milk and 0.986 in individual cow sample, respectively.

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