• International Journal of Industrial Entomology and Biomaterials
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• v.32 no.1
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• pp.41-48
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• 2016

Mealworms, Tenebrio molitor (Coleoptera: Tenebrionidae), are widely used as food sourcefor animal rearing as well as human diet. Conventionally, mealworms raised on wheat bran. In this study, we investigated the effects of brewer's spent grain (BSG) on the growth of mealworm larvae to reduce the rearing cost. We prepared five different diets with various BSG content, 0, 10, 30, 50, and 70% of heated air dried BSG with wheat bran. We compared survivorship, larval weight, developmental duration, pupation rate, and pupal weight of five different groups of T. molitor raised on these five diets. The larval survivorships were almost similar with the control group except a group with 70% of BSG. For the larval weight, groups with 30% and 50% of BSG gained more weight than that with control treatment, 0% of BSG. For the developmental period, the groups with 30% of BSG took less time compared to the control group. In all treatment groups, more than 90% of pupation rate were observed. Especially, the group with 30% of BSG showed highest pupation rate among the five groups. Wheat bran with 30~50% of BSG was the optimal diet for successive insect rearing among the five diet treatments. Based on this study, we concluded that adding BSG to wheat bran helps to improve the quality of T. molitor and to reduce the rearing period.

• Journal of Forest and Environmental Science
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• v.34 no.1
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• pp.61-65
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• 2018

To know if small changes in rearing water temperature and density affect the number of bacterial and fungal colonies in metamorphosed frogs, Dybowski's frog tadpoles were reared from Gosner 25-26 stages at either low ($1^{\circ}C$ low to ambient water temperature), ambient, or high ($1^{\circ}C$ high) water temperature (each 15 tadpoles in 20 L water) condition and at either low (10 tadpoles/20 L water), medium (20 tadpoles), or high (30 tadpoles) density condition. Immediately after metamorphosis, we sampled bacteria and fungi from skin, liver, and heart of six metamorphosed frogs, randomly selected for each treatment group. After separate incubation of bacteria and fungi on 3M Petrifilm plates, we counted the number of bacterial and fungal colonies appeared on the plates and compared the numbers among the temperature and density treatment groups. For temperature treatment, high-temperature group had fewer bacterial colonies, while low-temperature group had more fungal colonies than the other two groups. For density treatment, low-density group had fewer bacterial colonies than the other two groups, but the number of fungal colonies were not different among the groups. Our results suggest that small increased rearing water temperature and lowered rearing density could potentially reduce pathogens in farming frogs.

• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• v.8 no.1
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• pp.83-91
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• 1997

Objects：This study investigated whether depression, anxiety and perceived parental rearing patterns of the conduct disorder patients are different from those of the normal control group. The correlations were also assessed between perceived parenting style and depression, anxiety, severity of conduct problems and age at onset of conduct disorder in adolescents with conduct disorder. Methods：Thirty hospitalzed patients who met the DSM-Ⅳ criteria of conduct disorder, and 30 normal control subjects completed self-report questionnaires containing the Children’s Depression Inventory(CDI), the State-Trait Anxiety Inventory for Children(STAIC) and the Parental Bonding Instrument(PBI). Results：In the conduct disorder group, the results were as follows：1) The mean scores of CDI and STAIC-T(Trait) were not significantly different from those of the control group, but STAIC-S (State) showed significantly higher scores. 2) Parenting style was perceved to be less caring and more overprotective than in the control subjects. 3) There were negative correlations between maternal care and CDI and between maternal care and severity of conduct problems. 4) There were positive correlations between maternal overprotection and STAIC-T(Trait). 5) There were no correlations between paternal rearing patterns and depression, anxiety, severity of conduct problems, or age at onset of conduct disorder. Conclusion：We failed to identify depression and anxiety as common comorbid disorders in conduct disorder. Parental rearing patterns are thought to be significantly negativistic in conduct disorder group. It is guessed that less caring and more overprotective rearing style of parents, especially of mothers, could have much influence on depression and anxiety, more severe conduct problems and earlier age at onset of conduct disorder in the adolescents with conduct disorder.

• Korean Journal of Childcare and Education
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• v.10 no.5
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• pp.299-319
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• 2014

This study explored the low-income mothers' view about the child rearing community, "Love of Children". The child rearing community, "Love of Children", was formed by the members who participated in Seesawswing parenting education since 2009. The participants of this study were 14 members of "love of Children" out of 51. Using content analysis, the data were analyzed. The results were as follows. First, mothers in the child rearing community, "Love of Children" were proud of graduating from Seesaw swing parenting education. The sense of accomplishment made them continuously participate in the child rearing community. Second, the members of the child rearing community, "Love of Children", did several activities, such as getting-along, sharing information, serving children and mothers in thelocal community, and learning about child caring. Third, mothers in the child rearing community, "Love of Children", thought that this group gave them opportunities to think reflectively about themselves and to experience meeting with others. Also, they thought that it gave them a sense of empowerment.

• Journal of the Korean Home Economics Association
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• v.12 no.2
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• pp.609-619
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• 1974

The purpose of this study is to survey Korean mother's child-rearing methods and to see what influence each layed on children's school achievement. To obtain data, a questionaire was given to 607 boys and girls, who were selected from both public and private middle schools in Seoul. The student were consisted of two distinct groups, namely superior and inferior. Five top students from each class were categorized as the superior group and five bottom ones from each class were categorized as the inferior group. The questionaire was consisted of 7 items, namely, the needing method, feeding period, weaning time, mothers general attitudes about crying, sleeping arrangement and whether mothers workers or not. Summary of this study is as follows ; 1. As far as babies were breast-fed, there was no significant between the superior group and the interior group no matter what feeding period and weaning time were. 2. When the babies were fed by milk or both by milk and breast, the most favorable weaning time for intellectual development seemed to be between 6 and 9 months after birth. 3. The mother's general attitudes to babies crying and the sleeping arrangement have definite influence on the children's school achievement. It was shown that if mothers hugged babies as soon as they cried the babies tended to be superior, but the mothers of inferior group had tendency to let alone, until the babies stopped crying or hug after finishing their urgent works. Then the superior group was allowed to sleep alone in his own bed in the mother's room. On the contrary, the inferior group was kept in their mother bed or that of other family's without being given his own bed. 4. Whether mother had a job or not did not had any influence on children's school achievement. 5. Korean mothers have tendency to hug their babies as soon as when they find them cry and feed them with breast milk. The study also shows that the mothers rearing attitudes has certain influencial effect upon the children's school achievement.

• Food Science of Animal Resources
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• v.26 no.1
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• pp.9-14
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• 2006

The aim of this study was to determine the chemical traits of duck meats with different rearing periods(45 70 days). The content of protein was 21.3 and 19.61% in the breast and leg at 70 days post hatched, respectively. Group at 70 days showed high protein composition than those of 45 days group. The content of fat was slightly increased with the rearing periods. The composition of Ca, mineral compound, was not showed the difference between leg and breast meat. However, it was increased with the rearing periods. The composition of Fe was not significantly different in the breast meat. However, there was a significant increase in the leg (p<0.05). It was compared 14.6 ppm at 45 days group to 27.5 ppm at 70 days group. The content of methionine was significantly increased in the breasts due to the increasing rearing periods (p<0.05), but not in leg meat. There was no significant difference between parts, but glutamic acid content was significantly decreased along with the increasing rearing periods (p<0.05). The content of collagen at 70 days(0.77 g/100 g) was higher than those of 45 days(0.65 g/100 g). It was affected by the rearing periods In the wing-removed skit, it was 0.15 g increases at 70 rearing period group. The cholesterol content was significantly increased in the leg but not in the breast. With the rearing periods, it was significantly increased in the leg (p<0.05).

• Journal of Oriental Neuropsychiatry
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• v.5 no.1
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• pp.93-101
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• 1994

This experiment was designed to investigate the effects of Galgunhaeiutang + Danjuhwan and Haejujigaltang on the experimental behaviors of alcohol-inticxicated mice. ICR mice were used as subjects for alcohol intoxication in this experiment and sample group received Herb Medicine. The foot-step and rearing score were measured in mice. Also Rota-Rod treadmill & number of successful trials swimming time in the T-maze were done. And the following results were observed; 1. The food-step score was decreased in Galgunhaejutang + Danjuhwan group at the 8th hour, the difference was statistically significant. But Haejujigaltang group showed no significant difference. 2. The number of rearing was decreased in Galgunhaejutang + Danjuhwan group at the 3rd and 8th hour, the difference was statistical significant, while Haejujigaltang group showed no significant differnce. 3. The motor incoordination measered by the Rota-Rod treadmill was decreased in Galgunhaejutang + Danjuhwan group at the 8th hour, but Haejujigaltang group showed no significant difference. 4. The number of successful trials in T-maze showed no significant difference in both groups. 5. The passing time in T-maze was increased in Galgunhaejutang +Danjuhwan group at the 8th hour, but Haejujigaltang group showed no significant difference.

• Journal of the Korean Society of Clothing and Textiles
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• v.34 no.7
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• pp.1138-1148
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• 2010

This study examines the characteristics of the online child-rearing community launched by the voluntary motivations of consumers, and the effects of those characteristics on community loyalty and the intentions to buy baby wear via community sites. The study was implemented by a descriptive survey method using an online questionnaire. The sample consisted of 212 members of online child-rearing communities. The data were analyzed by frequency, factor analysis, and regression analysis. Results are as follows. 1) It was found that there were four major factors of online child-rearing community characteristics, such as attachment/pleasure, practical/economy, interaction, and information. 2) All four factors had significant effects on community loyalty. 3) The factor attachment/pleasure had no significant effects on intentions to buy baby wear, but practical/economy, interaction and information had effects upon those intentions. 4) Loyalty to the online child-rearing community had significant effects on the intentions of community members to buy baby wear via the community site. In addition, online child-rearing community members are interested in information regarding baby wear as well as its purchase; this is why baby wear makers should perform cost efficient consumer group segmentation in a timely manner. In addition, it will be effective for their marketing activities to target such consumer groups as segmented.

• Korean Journal of Child Studies
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• v.22 no.1
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• pp.67-82
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• 2001

The attitudes toward release for adoption of 130 teen-age unwed korean mothers were studied with the use of the donnelly and Voydanoff(1991) scale of attitudes about release for adoption and expectations regarding parenthood. Data were analyzed by t-test. While there were no socio-demographic differences between the 10.7% of mothers who planned on keeping their babies and the 89.3% who planned on release for adoption, the group choosing release for adoption thought they didn't have the ability to rear their babies and they took a negative attitude toward pregnancy compared with the group choosing to keep their babies. The group opting for release for adoption supposed that child rearing will interfere with their education, and they have a negative attitude about child rearing in general.

• Korean journal of applied entomology
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• v.62 no.4
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• pp.287-293
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• 2023

A lot of individuals of Mythimna loreyi have been attracted to the sex-pheromone traps of Spodoptera frugiperda during recent few years. However, there is no information about this pest. Thus, an efficient mass-rearing method of M. loreyi is demanded to study this pest. In this study, we compared the effects of artificial diets and rearing methods on its larval development and oviposition to suggest an efficient mass-rearing method of M. loreyi. Between S. frugipera and Agrotis ipsilon artificial diets, A. ipsilon diet showed more rapid larval development with higher survivorship, and decreased pupa weights and oviposition numbers compared to S. frugipera diet. Moreover, a grouping rearing caused more rapid larva development, decreased pupa weight and survivorship compared to an individual rearing. Therefore, for mass-rearing of M. loreyi, it is considered efficient to rear the newly emerged larvae in groups using A. ipsilon artificial diet and then rearing them individually after second or third larval stadium.