• Journal of the Korean Society of Food Culture
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• v.24 no.6
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• pp.607-612
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• 2009

Sundubu, Pork-Bulgogi, Kimchi-pork, Pork rib, Samgyetang, Stir-fried squid, Stir-fried chicken, Braised potato, Braised tofu and Jabchae were selected as takeout-style Korean food items. Sensory evaluation using a 9-point hedonic scale was conducted with residents in Honolulu, Hawaii during a 2 month market test. Among the respondents in the sensory evaluation, Japanese and Americans constituted 32.8% and 25.3%, respectively, of total respondents, which reflect the residential races in the state of Hawaii. The sensory scores of each attribute were judged as follows : aroma 7.2~8.2, color 7.0~8.2, flavor 7.2~8.2, overall preference; pork rib 8.2, pork Bulgogi=braised potato 8.1, stir-fried chicken 8.0, kimchi pork 7.9, Sundubu 7.6, Jabchae and braised tofu 7.5, stir-fried squid 7.2, Samgyetang 7.0. In a satisfaction survey using a 5 point scale after a 2 month market test, the scores of each satisfaction attribute such as quality, price, convenience, difference, etc. were shown to range from 4.1-4.6, indicating that 10 take out-style Korean food items were very popular with Hawaiian consumers. These results suggest that Korean food items are competitive with other ethnic foods in the Hawaii market.

• Journal of Embryo Transfer
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• v.31 no.3
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• pp.243-247
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• 2016

Growth traits, such as body weight, directly influence productivity and economic efficiency in the swine industry. In this study, we estimate heritability for body weight traits usinginformation from pedigree and genome-wide single nucleotide polymorphism (SNP) chip data. Four body weight phenotypes were measured in 1,105 $F_2$ progeny from an intercross between Landrace and Jeju native black pigs. All experimental animals were subjected to genotypic analysis using PorcineSNP60K BeadChip platform, and 39,992 autosomal SNP markers filtered by quality control criteria were used to construct genomic relationship matrix for heritability estimation. Restricted maximum likelihood estimates of heritability were obtained using both genomic- and pedigree- relationship matrix in a linear mixed model. The heritability estimates using SNP information were smaller (0.36-0.55) than those which were estimated using pedigree information (0.62-0.97). To investigate effect of common environment, such as maternal effect, on heritability estimation, we included maternal effect as an additional random effect term in the linear mixed model analysis. We detected substantial proportions of phenotypic variance components were explained by maternal effect. And the heritability estimates using both pedigree and SNP information were decreased. Therefore, heritability estimates must be interpreted cautiously when there are obvious common environmental variance components.

• Journal of Embryo Transfer
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• v.31 no.1
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• pp.65-72
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• 2016

This study was conducted to examine effects of mating type on the growth traits in an $F_2$ population produced by reciprocal intercrosses between Landrace and the Jeju Native Black pig (JBP). The $F_2$ progeny were produced by two different mating types based on the grand dams of founder breeds JBP (Cross_1) and Landrace (Cross_2). The body weights at 21 days after birth (BW21D) was significantly different between Cross_1 and Cross_2 (P<0.05), showing that the BW21D of Cross_1 has about 0.25 kg heavier than Cross_2. The significant differences were found between males and females for the growth traits including the body weights (BWB, BW21D, BW70D and BW140D) and average daily gains (ADG, eADG and lADG) (P<0.05). Males were heavier BWB, BW21D and BW140D levels, and higher ADG and lADG levels than females. On the other hand, females had heavier BW70D and higher eADG levels than those of males. When considering the mating types and sex simultaneously the Cross_2 males had the heaviest BW140D among the combinations of cross and sex. In conclusion, it is desirable to choose Landrace as grand dams in the reciprocal intercrosses between Landrace and JBP for producing their progeny construction and to plan the production of $F_2$ males for industrial purposes. These results suggested that it may be one of useful strategies to improve the productivity through out selection of the mating type of founder breeds and the progeny sex, especially in Landrace, JBP and their related populations.