Distribution of Chikso (Korean Brindle Cattle) in south Korea and their Coat Color Expression

Park, Mi Na; Choi, Tae-Jeong; Park, Byeongho; Lee, Seung Soo; jae-gwan, choi; Cho, Kwang Hyun; Yang, Chang Bum; Lee, Jae Gu; Choo, Hyo-Jun; Alam, M.; Kim, Soo Hyon; Park, Yeon-Soo; Lee, Chang Woo; Choi, Jae Won; Jung, Ki Suck; Kim, Sung Bok; Kim, Eun Sung; Choi, Yun-Sang; Jung, Dae Jin; Lee, Kyung Tae; Shin, Nyeon Hak; Park, Yong Soo; Lee, Ho Jun; Shin, Seung Kyu; Choy, and Yun Ho

doi:10.12719/ksia.2016.28.3.407

Cited by 7 publications

(7 citation statements)

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“…In addition, the difference between CASMO-5 and Serpent 2 are within ±300 pcm. This result is similar to previous studies [53,54]. As shown in a previous VERA 1C benchmark analysis [53,54], the use of Origen-2 Q-value leads to higher multiplication factor results than when using the Serpent 2 Q-value cases.…”

Section: Depletion Calculationssupporting

confidence: 91%

“…This result is similar to previous studies [53,54]. As shown in a previous VERA 1C benchmark analysis [53,54], the use of Origen-2 Q-value leads to higher multiplication factor results than when using the Serpent 2 Q-value cases. As STREAM tends to produce lower multiplication factors than Serpent 2, the use of Origen-2 Q helps reduce the discrepancies between both codes.…”

Section: Depletion Calculationssupporting

confidence: 91%

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Analysis of Rostov-II Benchmark Using Conventional Two-Step Code Systems

et al. 2022

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This paper presents the steady state analysis of the Rostov-II benchmark using the conventional two-step approach. It involves the STREAM/RAST-K and CASMO-5/PARCS code systems. This paper documents a comprehensive code-to-code comparison between Serpent 2, CASMO-5, and STREAM at the lattice level for the different fuel assemblies (FAs) loaded in the Rostov-II core; and between Serpent 2, PARCS, and RAST-K at the core level in 2D. Finally, the 3D results of both deterministic models are compared to the steady state measurements of the Rostov-II benchmark. With respect to the measurements available in the Rostov-II benchmark, comparable accuracy (30 ppm difference in boron concentration, 2% assembly power) with an industrial calculation scheme (BIPR8) are reported up to 36.73 EFPDs. The calculations reported in the paper showed that the modeling of the resonance self-shielding in the lattice code as well as the geometrical modeling of the reflector are key for an accurate solution (reducing the in-out power tilt). At the core simulator level, a fairly crude 1D reflector model appears to be enough. Overall, this paper provides the detailed models and conditions used in STREAM/RAST-K and CASMO-5/PARCS, and accurate calculation solution for the Rostov-II benchmark with STREAM/RAST-K and CASMO-5/PARCS compared with measurement.

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Section: Depletion Calculationssupporting

confidence: 91%

Section: Depletion Calculationssupporting

confidence: 91%

Analysis of Rostov-II Benchmark Using Conventional Two-Step Code Systems

et al. 2022

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“…Hallasan. A volcanic island in the form of a bulging shield then formed following intrusions into the dome and lava flows (Kim and Lee, 2000;Park et al, 2000aPark et al, , 2000bKoh et al, 2013;Koh et al, 2021;Koh et al, 2023;Fig. 9d).…”

Section: Jeju Island Formation Processesmentioning

confidence: 99%

Korean geoheritage: the volcanic landforms of the Jeju Island UNESCO Global Geopark

Jeon,

Ki,

Southcott

2024

Episodes

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Jeju Island, Korea, was formed through volcanic activity from approximately 1.8 million to 1,000 years ago. The island was designated a Global Geopark in 2010 in recognition of its diverse geoheritage. As part of a special edition for the International Geological Congress 2024, this article shares the latest scholarship on Jeju's volcanic geoheritage sites to enhance public understanding of the island's geoheritage as earlier misconceptions continue to spread through books, websites, and information boards, etc. Despite long being interpreted as a typical shield volcano, for example, Mt. Hallasan has been recategorized as a polygenetic and composite volcano that formed through Strombolian eruptions, lava effusions, and magma intrusions from 200,000 to 17,000 years ago. Moreover, although once interpreted as a single scoria cone that formed a thousand years ago, Biyangdo Island (Biyangbong) formed through subaerial volcanic eruptions 26,000 years ago that produced both a scoria cone and a spatter cone. This research is presented with the latest research on other volcano-related Jeju Island Global Geopark geosites, including Suwolbong Tuff Cone and Seongsan Ilchulbong Tuff Ring. Alongside regular research and monitoring, public awareness is essential to ensure sustainable protection due to increasing rockfalls caused by rising sea levels at coastal geosites and climate changeexacerbated freeze-thaw weathering at inland sites on Mt. Hallasan.

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“…Besides the Hanwoo, another cattle breed named Chikso (Korean native brindle cattle) registered with the Domestic Animal Diversity Information System of the Food and Agriculture Organization, has recently been used as beef cattle in Korea [ 15 , 16 ]. Chikso is characterized by its unique brindle coat color [ 17 ], which is completely different from the other registered cattle breeds. Compared to the popular commercial Hanwoo raising in Korea, however, the Chikso breed is generally maintained at a smaller population size, with around 4000 heads in 2016 [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

“…However, to promote the production and commercialization of Chikso beef, a lot of assessments, such as the effects of genetics, environment, nutrition, etc., on the growth performance, carcass traits, meat yield, marbling degree, and meat quality (e.g., IMF), are needed because all of these factors directly affect the economic efficiency of beef production and consumer demand [ 1 ]. To the best of our knowledge, only a few studies have been conducted to characterize the genetic diversity of Chikso [ 16 , 17 ], and little scientific information regarding the carcass traits, meat yield, IMF, and fatty acid profiles in Chikso beef is available.…”

Section: Introductionmentioning

confidence: 99%

A Comparative Study on the Carcass and Meat Chemical Composition, and Lipid-Metabolism-Related Gene Expression in Korean Hanwoo and Brindle Chikso Cattle

Song

Seol

et al. 2023

CIMB

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The objective of this study was to elucidate the effect of cattle breed on carcass and meat chemical composition, fatty acid profiles, and lipid-metabolism-related genes. For this study, same-age Hanwoo and Chikso steers (n = 6 per breed) reared under identical conditions were used. Immediately after slaughter, muscle tissues were collected for analysis of mRNA expression. At 24 h post-mortem, the carcasses were assessed for carcass traits (marbling score, meat yield, etc.), and meat quality and fatty acid profiles in the longissimus lumborum (LL) and semimembranosus (SM) muscles. The results showed that no differences in the slaughter weight, dressing rate, back-fat thickness, trimmed fat, and total meat yield occurred between the two breeds (p > 0.05). However, Hanwoo cattle had a higher marbling score, intramuscular fat (IMF) content, and expression level of lipid-metabolism-related genes such as lipoprotein lipase, peroxisome proliferator-activated receptor gamma, and fatty acid binding protein 4, compared with Chikso (p < 0.05). Contrastingly, Chikso had a higher total unsaturated fatty acid content and expression level of stearoyl CoA desaturase 1 (p < 0.05). It may be said that the difference in the expression levels of lipid-metabolism-related genes could be the molecular factors underlying IMF deposition and fatty acid profile differences in the beef from the two breeds.

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Distribution of Chikso (Korean Brindle Cattle) in south Korea and their Coat Color Expression

Cited by 7 publications

References 0 publications

Analysis of Rostov-II Benchmark Using Conventional Two-Step Code Systems

Analysis of Rostov-II Benchmark Using Conventional Two-Step Code Systems

Korean geoheritage: the volcanic landforms of the Jeju Island UNESCO Global Geopark

A Comparative Study on the Carcass and Meat Chemical Composition, and Lipid-Metabolism-Related Gene Expression in Korean Hanwoo and Brindle Chikso Cattle

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