• Asian-Australasian Journal of Animal Sciences
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• v.21 no.12
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• pp.1766-1772
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• 2008

Natto is a Japanese traditional soybean product fermented by Bacillus natto. The effect of natto supplement on the production and qualities of chicken meat was studied since the effective use of various waste foods is required in Japan. Dried natto prepared by heating at $60^{\circ}C$ was added to a basic diet at an amount of below 2%. The supplementation of dried natto did not influence the weights of the carcass, breast and thigh meat, fillet or abdominal fat. Growth of the thighbone such as the length, thickness of cortex bone, and Ca/P ratio in bone ash were not altered by the addition of natto. However, the pH of male meat decreased following the supplementation of dried natto from days 28 to 80. The water-soluble protein content in male thigh meat increased in the group fed 2% natto from days 28 to 80. Free peptides increased in male thigh meat by feeding 2% natto from days 0 to 80. The supplementation of natto increased free glutamic acid in thigh meat regardless of sex. Moreover, the supplementation of natto specifically decreased meat cholesterol in female chickens though the effect was not shown in male chickens.

• Journal of Korean Physical Therapy Science
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• v.8 no.1
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• pp.821-831
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• 2001

Motor ability were hypothesized to be major factors that may have an influence on IADL(instrumental activities of daily living). The purpose of this study was to investi gate the effect of motor ability of elderly on IADL. This study consisted of forty eight elder male and ninety elder female. The subjects were selected from L, S, Y-institution in kyoung ki do. The average age of elder male and female was 73.81, 71.38 years. The data were analyzed with t-test, repeated measurement, correlation test, regression test, using SPSS PC+ and MINITAB program. The measurement item of motor ability was muscle strength(left, right- grip strength), flexibility(sitting trunk flexion, trunk extension, leg raising while in a standing position), agility(whole body reaction test, standing up), power(sargent jump), balance (stork stand). IADL was measured with Philadelphia Geriatric Center IADL. The result of this study were the following : 1. The factor of significant difference of between elder male and female was muscle strength, flexibility, power but no significant difference was agility, balance. 2. Between IADL of elder male and female was no significant difference. 3. Correlation of IADL and Motor ability of elder male had effect on muscle strength and power, agility. Correlation of Body composition and Motor ability of elder female had effect on muscle strength and power, agility. As a result of this study, optimal motor ability of elder male and female had improved IADL. In addition to, this result of this study, it can suggested the consideration of the Health promotion program for elderly.

• Journal of the Korean Society of Clothing and Textiles
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• v.41 no.2
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• pp.362-377
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• 2017

This study examined the relationship between country-of-brand-origin perception and brand equity elements among Korean and Chinese male consumers. It also examined if there were differences between the two national consumers in the effect of country-of-brand-origin on brand evaluation. We analyzed survey responses from 414 Korean men and 393 Chinese men in their 20s-30s. Country-of-brand-origin perception was found positively related to brand awareness and brand image for both Korean and Chinese men in each group that selected domestic or foreign country-of-brand-origin. The results revealed a positive relationship between brand attitude and brand awareness as well as brand image for the two national consumers in each country-of-brand-origin selection group. The results indicated differences in the influence of brand image on brand attitude between these two male consumers in the group that selected the domestic country-of-brand-origin. The results also support the hypothesis on differences in the effect of country-of-brand-origin as well as brand evaluation between male consumers in the group that selected foreign country-of-brand-origin. This study has significant implications for fashion marketers, particularly when building brand equity by revealing country-of-brand-origin.

• International Journal of Advanced Culture Technology
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• v.12 no.2
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• pp.236-248
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• 2024

This study aims to empirically analyze the effects of leadership level and toxic leadership on leadership performance results among male and female military leaders in the Army, and to verify whether the leader's gender has a moderating effect in this process. Additionally, by comparing and analyzing the leadership level, toxic leadership, and leadership performance results of female military leaders by position, this study seeks to examine the characteristics of female military leadership according to position. The research model was established with leadership level and toxic leadership as independent variables, leadership performance results as the dependent variable, and the leader's gender as a moderating variable. Data were collected through a survey of 216 male and female officers serving in the positions of platoon leader, company commander, and battalion commander in the Army. The collected data were analyzed using descriptive statistics, reliability analysis, correlation analysis, and hierarchical regression analysis. The results showed that leadership level had a significant positive effect on leadership performance results, while toxic leadership had a significant negative effect. The leader's gender moderated the relationship between leadership level and leadership performance results, with female leaders receiving lower evaluations than male leaders at the same level of leadership competency. Gender also moderated the relationship between toxic leadership and leadership performance results, with female leaders exhibiting the same level of toxic leadership receiving lower performance evaluations than male leaders. In the comparative analysis of female military leadership characteristics by position, the leadership level of the platoon leader and company commander groups was not significantly different from that of male soldiers, but the battalion commander group showed slightly lower leadership competency compared to male soldiers. Based on these results, this study suggests ways to improve the leadership level of female military leaders, reduce toxic leadership, and prepare support measures to strengthen the leadership competency of female military officers at the battalion commander level and above from policy, institutional, and educational perspectives.

• Korean Journal of Community Nutrition
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• v.14 no.3
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• pp.277-285
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• 2009

This study was conducted to analyze the effect of male middle school students' eating school breakfast on their attitudes toward breakfast and school breakfast. In addition, the effect of school breakfast on breakfast-related eating behaviors and academic achievement was investigated. The study subjects were selected from a male middle school located in Gyeonggi-do, Republic of Korea. Breakfast was provided at the school for 7 weeks during the 2nd semester of the year 2006. Two sophomore classes were selected for the experimental study. All the students from one class (n = 34; School Breakfast Eaters) have eaten school breakfast while none of the students from the other class (n = 33; School Breakfast Non-eaters) have done so. About two weeks after the school breakfast service was terminated, questionnaires were distributed to the two classes and the responses were analyzed. The results showed that School Breakfast Eaters had more positive attitudes toward breakfast and school breakfast than School Breakfast Non-eaters. In addition, School Breakfast Eaters perceived the positive effect of eating breakfast on their school life more highly than School Breakfast Non-eaters. However there was no significant difference between the two groups in their breakfast eating behaviors in terms of breakfast skipping when the breakfast service was not available. No significant difference was found between the two groups with regards to math score variation before and after school breakfast service. In conclusion, school breakfast for 7 weeks had positive effects on male middle school students' attitudes toward breakfast and school breakfast, although the effect was not confirmed in their breakfast-related eating behaviors after the school breakfast service was terminated

• Journal of Distribution Science
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• v.15 no.8
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• pp.37-46
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• 2017

Purpose - Many studies have shown the effects of the external images of female flight attendants on the customers' satisfaction. Recently, the perception of male flight attendants has become more important and positive, and airlines are hiring a significant number of male flight attendants every year. Due to the lack of research on the male flight attendant, however, the images of male flight attendants were investigated for this study. Research, design, data and methodology - Using survey techniques with 204 respondents, this study used analytical data based their resulting analysis. Results - The study examined whether the image of the male flight attendant affects the cognitive and emotional perceptions of customers. The focus of the present study is the external image of the male flight attendant, and the following image-component divisions were formed: hairstyle, body type, uniform, speech, and facial expression. Conclusions - The study purpose sought to determine whether the image of the male flight attendant exert effects on the emotional and cognitive images of airlines, and if these images have a positive effect on the customers' satisfaction and loyalty for an airline, so that airlines can use the external image of the male flight attendant to help with its own image reinforcement.

• Korean Journal of Child Studies
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• v.32 no.3
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• pp.77-90
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• 2011

This study attempted to examine the differences between male and female juveniles from the perspective of the parentification and to discover if the differences in the effects of shame and guilt proneness on the parentification of juveniles according to gender were observed under the control of negative family environment variables. With this purpose in mind, the researcher measured negative family environments, and the shame proneness, guilt proneness, and parentification of 225 male and 243 female students in middle schools in Seoul. The results indicate that there were differences in the levels of parentification according to gender male juveniles showed higher levels of parentification than female juveniles. In addition, after negative family environment variables were under control, both shame proneness and guilt proneness effected the parentification. Furthermore, while the effects were different according to gender, guilt proneness had a significant effect on parentification for males and shame proneness had a significant effect on the parentification for females. In conclusion, it was suggested that female's parentification as effected by shame proneness nees to be be noted although male juveniles showed higher levels of the parentification.

• Asian-Australasian Journal of Animal Sciences
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• v.11 no.1
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• pp.55-59
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• 1998

To study the effect of induced hypothyroidism on fertility status of male Black Bengal goats, 10 adult healthy mature males were divided into control and treated groups. Hypothyroidism was induced successfully by injecting thiourea subcutaneously initially for 15 days at the rate of 100 mg/kg body weight, followed by 66.7 mg/kg body weight for the subse quent 15 days. This resulted in a decrease (p < 0.01) in plasma tri-iodothyronine, thyroxine and testosterone levels, with increasing duration of thiourea treatment. It also adversely affected semen quality, ejaculate volume, sperm concentration, motility and viability. Live percentage declined to 75% for treated and control remained at 90%. Artificial insemination fo female goats with semen of thiourea-treated goats, resulted in failure of conception. However, females inseminated with semen of male goats of control group showed 100% conception. These observations indicate that, thyroid hormones play a key role in maintaining the normal reproductive processes of male goats.

• Toxicological Research
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• v.17 no.2
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• pp.139-142
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• 2001

Sexual behavior and reproductivity of male fIsh were studied as an in vivo screening method of endocrine disruptors. Male medaka (Oryzias latipes) were exposed to 17$\beta$-estradiol at nominal concentrations of 2 and 20 $\mu\textrm{g}$/l for 14 days. After exposure of the chemical, sexual behavior between male medaka and normal female which were injected with prostaglandin $F_{2\alpha}$ just before the test, was analysed by using video camera for one hour. Normal control male showed courtship dancing such as following, guarding, dancing and crossing while 17$\beta$-estradiol treated male did not show any type oj courtship dancing. Furthermore, fecundity and fertility were significantly decreased in the treated group. It was suggested that analysis of sexual behavior could be a useful endpoint for the screening of the endocrine disruptors.

• Journal of Environmental Health Sciences
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• v.33 no.6
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• pp.513-516
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• 2007

This investigation was intended to find out the estrogenic effect of chlortetracycline (CTC) on vitellogenin induction in adult male Japanese medaka (Oryzias latipes). Vitellogenin (Vtg) produced in male fish has been used to as one of a biomarker of endocrine disrupters. The positive control was $17{\beta}-estradiol$ (E2) that induced Vtg in male fish. As a result, male and female fish were exposed to 0.1, 1, 10 and 100 ppm of CTC. Western blot results showed approximately 205 kDa, that is similar to myosin at high molecular weight range Sigma maker. Vtg band was showed fainted to 10 and 100ppm for chlortetracycline. Vtg concentration of CTC was qunatified by total protein quantification and ELISA. Exposure of the male fish to CTC of 0.1, 1, 10 and 100 ppm produced Vtg concentrations of 0.24, 0.12, 7.61 and 40.02%o, respectively, that value was elevated than control male fish (0.14%o). CTC exerted as a Vtg inducer in male fish from 10 ppm, but it was a reducer in female fish from 0.1 ppm level. The results say that vitellogenin induction patterns alter in male medaka treated with CTC, and that CTC may caused endocrine disruption in fish.