The purpose of this study was to identify the effects of the guided imagery program on stress of adolescents. The study design was nonequivalent control group pretest-posttest study. The Data were collected from the 1st to 30th of September in 2000. Two schools were selected as an experimental group and a control group. Each group included two classes. The experimental group was consisted of 40 male students and 42 female students and the control group was consisted of 41 males and 42 females. The guided imagery was provided with audiotapes to the subjects in the classroom for 8 minutes per each therapy, 5 times a week for 4 weeks. The pretest was given before the therapy to measure variables for both groups and the posttests were performed twice after 2 weeks and 4 weeks from the start of intervention. The Instruments used in this study were perception of stress scale developed by Park(1996), Vividness of Imagery Scale; short form of bett's test scale developed by Sheenhan(1967). The data were analyzed by the SAS program using Chi-square test, t-test, repeated measure ANOVA and Bonferroni correction. The results of this study are as follows: 'The level of stress of adolescents who received the guided imagery will be significantly lower than that of control group' was supported(F=10.14, p=.00). In conclusion, the guided imagery was suggested as an effective nursing intervention did reduce the stress of adolescents which school nurses could utilize for adolescents at school.
This study compared the effects of two levels of crude protein (CP) supplementation during a close-up dry period on the productive performance, nitrogen balance, and blood profiles of Holstein cows. Eighteen cows (8 primigravid and 10 multiparous), 21 days prior to calving, were divided into four groups and fed a diet containing a low (11.5 to 12.7% CP) or high (14.1 to 15.3% CP) level of protein. Following parturition, all cows were offered the same diet. Nitrogen balance was measured 12 d to 10 d prior to the expected calving date. Whole feces and urine were collected. The higher close-up CP did not improve milk production during the early lactation period (14 w) in multiparous cows but tended to increase production by 2 kg of milk per day in primigravid cows. There were no differences in the weight of calves, the weight of the placenta, or the incidence of calving difficulty. Nitrogen intake, urine nitrogen and nitrogen retention were increased by the higher CP diet in primigravid and multiparous cows. All groups of cows showed a positive nitrogen balance. In particular, higher nitrogen retention was observed in primigravid cows fed the higher CP diet. With the exception of plasma urea nitrogen (PUN), non of the blood profiles were influenced by the CP level. The higher close-up CP increased the PUN during the period studied in primigravid and multiparous cows. These results indicate that a CP level of 14% during a close-up dry period is optimal for primigravid cows, and 12% CP level is sufficient for multiparous cows.
One of the challenges to increase milk production in a large pasture-based herd with an automatic milking system (AMS) is to grow forages within a 1- km radius, as increases in walking distance increases milking interval and reduces yield. The main objective of this study was to explore sustainable forage option technologies that can supply high amount of grazeable forages for AMS herds using the Agricultural Production Systems Simulator (APSIM) model. Three different basic simulation scenarios (with irrigation) were carried out using forage crops (namely maize, soybean and sorghum) for the spring-summer period. Subsequent crops in the three scenarios were forage rape over-sown with ryegrass. Each individual simulation was run using actual climatic records for the period from 1900 to 2010. Simulated highest forage yields in maize, soybean and sorghum- (each followed by forage rape-ryegrass) based rotations were 28.2, 22.9, and 19.3 t dry matter/ha, respectively. The simulations suggested that the irrigation requirement could increase by up to 18%, 16%, and 17% respectively in those rotations in El-Nino years compared to neutral years. On the other hand, irrigation requirement could increase by up to 25%, 23%, and 32% in maize, soybean and sorghum based rotations in El-Nino years compared to La-Nina years. However, irrigation requirement could decrease by up to 8%, 7%, and 13% in maize, soybean and sorghum based rotations in La-Nina years compared to neutral years. The major implication of this study is that APSIM models have potentials in devising preferred forage options to maximise grazeable forage yield which may create the opportunity to grow more forage in small areas around the AMS which in turn will minimise walking distance and milking interval and thus increase milk production. Our analyses also suggest that simulation analysis may provide decision support during climatic uncertainty.
Records from a total of 202 crossbred pigs were classified by their ear type and coat color to examine the presence of interrelationships with growth performances. Crossbred pigs were F2 generations of full sib family out of ten Landrace sows bred by 5 Korean domestic boars. Heavily drooped ear type was predominant, 195 out of 202 pigs over the other two types (1 straight and 6 slightly drooped). Coat colors were classified as four categories, all white, all black, dominant white or dominant black. Ratio among coat color categories did not fall within Mendelian principle of independence regarding two loci involved. There was dependency between ear type and coat color. However, due to rarity of ear types other than heavy drooped, dependency comes from distribution of those rare ear types. Three least squares models to test the effect of ear type and coat colors on growth performances were analyzed. First model analyzed effects on birth weight, body weight at 3 and 6 weeks and ADG' before weaning and between 3 and 5 weeks of age. This model included sex in addition to ear type and coat color. Second model analyzed postweaning growth traits (initial weight, final weight and ADG between these periods) upon initiation of performance testing. This model included effects of sex, test group and start age (as a covariate) in addition. Third model was fit for fasted weight before slaughter and included the effects of sex, test group and age at slaughter (as a covariate). The effects of sex and ear type were not significant source of variation for all traits. Test group was a significant source of variation for all the postweaning traits. Effect of coat color was not significant until the initiation of performance testing and became significant then after. Least squares means of dominantly black pigs were significantly lower than the other three coat colored pigs in final weight around 195 days of age and in ADG from the start of performance test and final weight measure.
Ly, Nguyen T.H.;Ngoan, Le D.;Verstegen, Martin W.A.;Hendriks, Wouter H.
Asian-Australasian Journal of Animal Sciences
/
v.24
no.8
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pp.1157-1163
/
2011
This study was conducted to determine the effect of the inclusion of different levels of ensiled cassava leaves (variety KM94) in the diets on performance and carcass characteristics of growing pigs in Vietnam. A total of 40 crossbreds pigs (Large White${\times}$Mong Cai, 20 males and 20 females) with an initial live weight of 23.5 kg (SD = 0.86) were randomly allocated to one of the four pens across 5 units. Four experimental diets were formulated for two growth periods, period 1 (60 days) for 20 to 50 kg and period 2 lasted 30 days, from 50 kg until slaughter. Four diets were formulated containing inclusion levels of ensiled cassava KM94 leaves diet of 0, 10, 15 and 20% in the DM. Diets were formulated based on previously determined ileal amino acid digestibility values of the KM94 products and were isonitrogenous and isocaloric on a metabolizable energy basis. Each pen of pigs was randomly assigned to one of the four dietary treatments. Dry matter intake and final weight tended to decreased with increasing levels of ensiled cassava KM94 leaves in the diet while there was a significant (p = 0.022) decrease in average daily gain. Protein depositions of the F1 pigs tended (p = 0.093) to decrease with increasing inclusion levels of ensiled cassava KM94 leaves. There was no significant difference in feed conversion ratio, carcass quality and fat gain between the groups of pigs. There were clear differences in feed costs among the experimental diets (p = 0.001) with increasing levels of ensiled cassava KM 94 leaves in the diet reducing feed costs. It was concluded that, in diets for growing pig, inclusion of ensiled cassava leaves reduces growth rate of pigs in Vietnam but increases profitability as measured by feed costs.
This study was performed to investigate effect of dried powder or ethanol extracts of onion flesh and peel intakes on lipid metabolism, antioxidative and antithrombogenic capacities in l6-month -old rats. Total of 40 Sprague-Dawley male rats of l6-month-old and weighing 816$\pm$6g were blocked into 5 groups according to body weight and raised for three months with control and experimental diets containing 5% (w/w) of dried powders of onion flesh or peel or ethanol extracts from equal amount of each dried powder. Contents of total flavonoids and total dietary fibers in peel powder were highest among onion preparations. Body weight gain and epididymal pad fat weight were lower in peel powder group than other groups. Plasma total lipid, triglyceride and total cholesterol concentrations of onion-containing groups were lower than control group. Above all, peel ethanol extract intake decreased them most remarkably. Plasma HDL-cholesterol concentrations in onion-containing groups were higher than control group, especially that of flesh powder group was the highest among groups. Liver total lipid, triglyceride and total cholesterol concentrations were not significantly different among all experimental groups. However, liver total lipid and triglyceride concentrations were tended to be lower in onion-containing groups than control group. Thiobarbituric acid reactive substances (TBARS) concentrations in LDL + VLDL fraction was not significantly affected by onion intakes, However peel powder group showed the lowest concentration, Plasma TX $B_2$ concentrations in onion flesh powder, peel powder and peel ethanol extract groups were lower than control group, while plasma 6-keto-PG $F_{1a}$ concentrations in these same groups were higher than control group. Clotting time was tended to be increased in peel ethanol extract group. In conclusion onion diets seemed to improve lipid metabolism and antithrombogenic capacity while effect on antioxidative was not significant.t.
We developed a SQUID magnetometer based on Double Relaxation Oscillation SQUID(DROS) for measuring magnetocardiography(MCG). Since DROS provides a 10 times larger flux-to-voltage transfer coefficient than the conventional DC-SQUID, simple flux-locked loop electronics could be used for SQUID operation. Especially, we adopted an external feedback to eliminate the magnetic coupling with adjacent channels. When the DROS magnetometer was operated inside a magnetically shielded room, average magnetic field noise was about 5 $fT/^{\surd}Hz$ at 100 Hz. Using the DROS magnetometer, we constructed a multichannel MCG system. The system consisted of 61 magnetometers are arranged in a hexagonal structure and measures a vertical magnetic-field component to the chest surface. The distance between adjacent channels is 26 mm and the magnetometers cover a circular area with a diameter of 208 mm. We recorded the MCG signals with this system and confirmed the magnetic field distribution and the myocardinal current distribution.
Empathy was defined in this study as the vicarious affective response of a person to the perceived experience of another. The purpose of this study was to study the relationship between empathic development of children and intimacy with parents, socio-economic status, and children's empathic response to specific affective situations happy, sad, angry and fearful. The subjects for this study were 8-, 10-, and 12-year-old children attending an elementary school located in Seoul. Among the subjects, 158 boys and 149 girls lived with their parents, and 20 boys and 35 girls were reared in orphanges. They were from a residential area with higher, middle, and lower class families. The instruments consisted of two modified empathy measures and two questionnaires developed by the researcher. One of the empathy measures was based on Feshbach & Roe's affective situation test for empathy. In order to determine the eight themes, 20 children were interviewed individually about situations that made them "happy, sad, angry, and afraid". From the pool of responses, eight themes representing happy, sad, angry and fearful situations were selected. Each story consisted of a series of three pictures accompanying narration. Another modified empathy measure was developed by the researcher based upon Bryant's empathy scale. This measure consisted of 17 statements describing happy, sad, angry and fearful situations. The items in this scale were selected from a pilot study. The two questionnaires developed by the researcher were to test children's intimacy for their parents and feminity. The data was analyzed with T-test and F-test. Children's intimacy with their parents, particularly, son's intimacy with their mothers, was a significant variable in empathic development. Children living with their parents had higher scores on Feshbach & Roe's Empathy Test than those brought up in orphanages. In general, the older the children the higher the empathy score. Girls were more empathic than boys on Bryant's scale. The subjects showed their highest empathy score in the sad, and the lowest in the fearful situation. The older the children the higher the empathy score in the sad and angry situations. These results reflected children's life experiences and cultural differences. Particularly, mother-son intimacy found in this study contrasts with the mother-daughter intimacy found in American studies.
Objectives : This study was carried out to understand the immune responses of the Changchuldointanggami-bang(after referred to CDIT) on antioxidants, THP-1 cell and rheumatoid arthritis in Collagen-induced Arthritis(CIA) mice. Methods : The antioxidative effect of CDIT on DPPH free radical and SOD-like activity was measured. CDIT was administered to THP-1 cell, cytokine and mRNA associated with inflammation were measured. CDIT was orally administered to mice with arthritis by collagen II and then cytokine, PBMC in the serum were measured. Results : 1. The scavenging activity of CDIT on DPPH free radical was dose-dependent. 2. The effect of CDIT on SOD-like activity was dose-dependent. 3. The production of $IL-1{\beta}$, IL-6, $TNF-{\alpha}$ was decreased significantly in THP-1 cell. 4. The expression of $IL-1{\beta}$ mRNA, IL-6 mRNA, $TNF-{\alpha}$ mRNA were decreased significantly in THP-1 cell. 5. $IL-1{\beta}$, IL-6, $TNF-{\alpha}$ were decreased significantly in the serum of CIA mice. 6. CD3+, CD4+, CD8+ were increased significantly, but CD3+/CD69+, CD3+/CD49b+, B220+/CD23+ were decreased significantly in PBMC of CIA mice. Conclusions : Taking all these observations into account, CDIT is considered to be effective in rheumatoid arthritis. Therefore we have to survey continuously in looking for the effective substance and mechanism in the future.
The Journal of Korean Academic Society of Nursing Education
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v.26
no.3
/
pp.248-258
/
2020
Purpose: The purpose of this study was to identify the factors influencing nursing work performance among clinical nurses in the hospital. Methods: This descriptive correlational study collected data from 122 clinical nurses who were working in three tertiary referral hospitals in Busan. The data were collected, using self-reported questionnaires, from September 2 to October 14, 2019. The data were analyzed using descriptive statistics, t-test, ANOVA, Pearson's correlation coefficient, and multiple regression using SPSS/WIN 25.0 program. Results: Nursing work performance was significantly associated with resilience, innovation oriented culture, relationship oriented culture, and hierarchy oriented culture. The factors significantly influencing nursing work performance of the participants included relationship oriented culture (β=.27, p=.015), hierarchy oriented culture (β=.25, p=.003), resilience (β=.19, p=.035), and total clinical career (β=.18, p=.030), which explained 27.3% of nursing work performance (F=8.59, p<.001). Conclusion: The results indicate that there is a need to improve communication skills among multidisciplinary team members and to harmonize hierarchical and relational cultures in order to enhance nursing work performance. In addition, this study suggests developing interventions for enhancing the resilience of clinical nurses.
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