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안병석,강태섭,정진오 대한지질학회 2024 지질학회지 Vol.60 No.1
Station metadata for the 546 stations of the regional seismic networks being operated in the southern Korean Peninsula were integrated. The bibliographic and index data regarding the installations and change histories of seismic stations administered by Korea Meteorological Administration, Korea Institute of Geoscience and Mineral Resources, and Korea Institute of Nuclear Safety from their initial installation to July 2023 were collected through the responses in their instruments. The resulting station metadata were integrated into extensible markup language (XML) format for use in the ObsPy platform and into pole-zero (SACPZ) format for use in the Seismic Analysis Code software. These pieces of software are currently the most widely used for seismic waveform processing and analysis. The integrated station metadata was posted on a webpage to promote the transparency of seismic monitoring information, correct possible errors in the information collection process, and allow the consideration of some additional seismic station information in the future through feedback from individual analysts (https://geophysics.pknu.ac.kr/SeismicNetwork.html).
Holstein 종 젖소의 유기별 Somatic Cell Score 에 미치는 제 요인효과 추정
안병석,김준식,최유림,김현섭,정하연,전병순,서국현 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.5
A total of 2,215 available records of 571 heads tested from 1997 to 2000 at National Livestock Research Institute(NLRI) were used to estimate environment and sire effects for somatic cell count(SCC) in different lactation period of Holstein cattle. The cows were fed according to NRC and managed by the method of NLRI. Milk yields were recorded twice a day with 12 hours interval and SCC transformed into SCS= log₂(SCC/100000)+3 was analysed by Milkoscan 4000^ⓡ for each month. A lactation was divided into the three periods which were early period(earlier than 90 days in milk), middle period(91 to 200 days in milk) and late period(later than 200 days in milky. The effects of milking year and month, parity, milking parlour style and sire for whole lactation period showed significant differences on SCS(P$lt;0.01). But the above factors on SCS showed different effects in accordance with the lactation periods. The somatic cell scores from January to July were lower than those from August to November. A minimum level of SCS showed at first parity and then increased. For style of milking parlour. SCS in the tandem style was lower than that in herringbone style.
Holstein 종 유우의 우유단백질의 유전적 다형과 생산형질간의 연관성에 관한 연구
안병석,상병찬,상병돈,조윤연 한국낙농학회 1993 韓國酪農學會誌 Vol.15 No.4
本 硏究는 乳蛋白質의 遺傳的 標識(genetic marker)를 乳牛의 遺傳的 改良을 위한 유우의 登錄 및 選拔 補助資料로 활용하고자 1992년 國立種畜院에서 사육중인 Holstein종 159두에서 각각 유즙 시료를 채취하여 Polyacrylamide gel(PAGE)에 의한 전기영동(electrophoresis) 방법에 의하여 αs₁-casein(αsl-CN), β-casein(β-CN), κ-casein(κ-CN) 및 β-lactoglobulin(β-LG)의 遺傳子型을 조사하고, 이들 蛋白質의 遺傳的 多型(genetic polymorphisms)과 泌乳形質 및 乳組成分含量과의 연관성을 分析하여 얻어진 결과는 다음과 같다. 蛋白質座位의 遺傳子型을 분석한 결과 αs₁-CN BB遺傳子型, β-CN AA遺傳子型, κ-CN A 遺傳子型 및 β-LG AB遺傳子型의 出現頻度는 각각 77.87%, 84.28%, 71.70% 및 49.10%로 同一蛋白質內의 다른 遺傳子型 보다 높게 나타났다. 분산 분석결과 乳蛋白質의 遺傳子型들은 泌乳形質인 乳量, 乳脂量 및 蛋白質量과 乳組成分인 乳脂率, 蛋白質含量 및 총고형분 함량에서 유의적인 연관성이 인정되었다. 泌乳形質에 있어서는 αs₁-CN 座位의 BB遺傳子型이 유량, 乳脂量 및 蛋白質量에서 BC遺傳子型 보다 유의적으로 높았고, κ-CN座位의 AA형은 AB 및 BB遺傳子型보다 유량에서 유의적인 연관성이 인정되었으며, β-LG座位의 AA 및 AB형은 유량에서 BB형 보다 높게 나타났다. 乳組成分含量에 있어서는 κ-CN座位의 BB遺傳子型은 乳脂率 및 乳蛋白質含量에서 κ-CN座位의 AA 및 AB遺傳子型보다 유의적으로 높게 나타났으며, β-LG座位의 AA遺傳子型은 乳脂率에서 β-LG座位의 AB 및 BB遺傳子型보다 유의적으로 높게 추정되었다. 이상의 연구 결과를 종합하여 볼 때 泌乳形質인 乳量, 乳脂量 및 蛋白質量을 증대시키기 위하여서는 αs1-CN座位의 BB遺傳子型, κ-CN 및 β-LG座位의 AA傳子型을 선발하는 것이 보다 바람직할 것으로 사료되었으며, 乳組成分인 乳脂率 및 蛋白質含量을 높히기 위하여서는 κ-CN座位의 BB遺傳子型과 β-LG座位의 AA遺傳子型을 選拔하는 것이 보다 유리할 것으로 생각되었다. To apply genetic markers of milk proteins to dairy cow registration and selection aids for genetic improvement, genotypes controlling the four type of milk protein loci of αs1-casein(αs₁-CN), β-casein(β-CN), κ-casein(κ-CN), and β-lactoglobulin(β-LG) in milk from a total of 159 Holstein lactating cows reared at Korean National Animal Breeding Station in 1992 were detected by polyacrylamide gel(PAGE) electrophoresis, and the genetic structure of the population was analyzed using genotypic frequencies of milk protein type. The effects of genetic polymorphisms of milk proteins on lactation traits and milk compositions were analyzed statistically by least square analysis. The results obtained in this experiment was as follows ; The observed frequencies of the αs₁-CN BB, β-CN AA, κ-CN AA and β-LG AB genotypes were founded to be very higher than that of other genotypes in identified proteins as 79.87%, 84.28%, 71.70% and 49.10%, respectively. According to the results of analysis of variance, the genotypes of the αs₁-CN, β-CN, κ-CN and β-LG were significantly different for milk, fat and protein yield in lactation traits, and for fat, protein and total solid percentage in milk. On lactation yields, the αs_1-CN BB genotype was higher in milk, fat and protein yield more than αs₁-CN BC genotype, and the κ-CN AA genotype was higher in milk and protein yield more than κ-CN BB and AB genotypes, and the β-LG AA and AB genotypes were higher in milk yield more than β-LG BB genotype at 5% level of significant difference, respectively. On milk compositions, the κ-CN BB genotype was higher in fat and protein percentage more than κ-CN AA and AB genotypes, and β-LG AA genotype was higher in fat percentage more than β-LG AB and BB genotype at 5% level of significant difference, respectively. As a consequence, the milk, fat and protein yield could be improved by the selection of cows which express the αs₁-CN BB, κ-CN AA and β-LG AA genotypes, and the fat and protein percentage could be improved by the selection of cows which express the κ-CN BB and β-LG AA genotypes.
Holstein 종 젖소의 소규모 축군에 있어서 Somatic Cell Score 에 대한 유전모수 추정
안병석,최유림,강수원,권응기,조용민,나기준 한국동물자원과학회 2001 한국축산학회지 Vol.43 No.5
A milking records of 551 heads tested from 1997 to 2000 at National Livestock Research Institute(NLRI) were used to estimate genetic parameters of somatic cell score(SCS) in different lactation period in Holstein Cattle. The cows were fed according to NRC and managed by the method of NLRI. Milk yields were recorded twice a day with 12 hours interval and somatic cell count(SCC) was analysed by Milkoscan 4000^ⓡ for every month, and transformed into SCS= log₂(SCC/100000) + 3. A lactation was divided into three periods which were early(earlier than 90 days in milk). middle(91 to 200 days in milk), and late period(later 201 days in milk). Average somatic cell score of herd was 3.07±2.10. Heritabilities for early, middle, late, and whole period were 0.18, 0.39, 0.47 and 0.34, respectively. Genetic correlations between SCS and milk yield varied from -0.01 to 0.13, and phenotypic correlations were 0.05, -0.01, 0.04 and 0.01 in early, middle, late and whole period, respectively. SCS and immunoglobulin G(IgG) was highly correlated.
안병석,김준식,최유림,정연후,정하연 한국축산학회 1998 한국축산학회지 Vol.40 No.6
A total of 2,399 records from 337 Holstein cows were used to estimate variations of milk components during test period. The cows were tested at National Livestock Research Institute(NLRI) from 1996 to 1997. The milk components included fat(3.7±0.95%), protein(3.2±0.2%), lactose(4.7±0.0%), Solid-Not-Fat(8.7±0.1%) and total solids(12.0±0.8%), and their coefficients of variation were 26.1%, 9.1%, 1.6%. 1.9%, 7.3%, respectively. The fat percentage of milk components varied very high, but lactose content varied much less. The components of fat, protein and total solids were high in early and late stage the during test period, but that of lactose was high in the mid stage.