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KMID : 0900920020260010073
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Korean journal of Animal Reproduction
2002 Volume.26 No. 1 p.73 ~ p.78
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Comparison of Protein DNA, and RNA Contents in Corpus Luteum without and with Central Cavity in Dairy Cow
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Baek Kwang-Soo
Kim Y.-S.
Lee C.-N.
Kim Tae-II
Lee Hyun-Joon
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Abstract
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This study was conducted to investigate total protein, DNA, and RNA content in corpus luteum(CL) without and with central cavity in dairy cow. Stage of the estrous cycle of corpus luteum from slaughterhouse(CL3, days 11 to 17) was classified by method of Ireland et. al.(1980). Corpus luteum was classified into corpus luteum without(less than 2mm in diameter) and with central cavity(more than 2mm in diameter) by method of Kastelic et. al.(1990). 1 In total protein content, CL with central cavity did not differ from CL without central cavity. 2. In DNA content, CL with central cavity was significantly lower than CL without central cavity(p＜0.05). 3. In protein: DNA ratios, CL with central cavity was significantly lower than CL without central cavity(p＜0.05). 4. But in RNA content, protein:RNA and RNA:DNA ratios, CL with central cavity did not differ from CL without central cavity.
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KEYWORD
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Dairy cow, Total protein, DNA, RNA, Corpus luteum, Central cavity
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