• Journal of Animal Science and Technology
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• v.62 no.6
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• pp.840-853
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• 2020

The present study was conducted to investigate the effect of a multi-protease on production indicators of broiler chickens fed a crude protein and amino acid deficient-diets for 35 days immediately after hatch. A total of 448 one-day-old Ross 308 male broiler chicks were allocated in a completely randomized design into one of eight dietary treatments (positive control [PC], negative control [NC: minus 0.5% from PC, and minus 2% of lysine, methionine, threonine and methionine plus cysteine], extreme negative control [ENC: minus 1% from PC, minus 4% of lysine, methionine, threonine and methionine plus cysteine], and plus multi-protease 150 or 300 g per ton [e. g., PC-150]; PC, PC-150, NC, NC-150, NC-300, ENC, ENC-150, ENC-300) to give eight replicates with seven birds in a battery cage. Body weight, average daily gain, average daily feed intake, feed conversion ratio, and mortality were measured every week. Carcass traits, proximate analysis of breast meat, and ileum digestibility were analyzed on day 21 and 35. Feeding a multi-protease (i.e., more than 150 g/ton) for 35 days immediately after hatching improved feed efficiency and ileum digestibility (i.e., dry matter, crude protein, and energy) compared to their counterparts (i.e., diets without multi-protease: PC, NC, and ENC). In conclusion, our results indicated that broiler chickens fed nutrients deficient-diet (i.e., crude protein and amino acids) supplemented a multi-protease had an ability to compensate and (or) improve their growth performance commensurate with increased ileal digestibility for 35 days immediately after hatch.

• Pediatric Gastroenterology, Hepatology & Nutrition
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• v.24 no.4
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• pp.403-412
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• 2021

Purpose: This study aimed to determine the serum 25-hydroxy-vitamin D (25(OH)D) status of breastfed infants less than six months old and their mothers, and factors affecting the status. Methods: This cross-sectional study was done on breastfed, term, Filipino infants less than six months old who were seen at local health centers and clinics in an urban area. The serum 25(OH)D levels of these infants and their mothers were determined, and their demographic data, nutritional status, sun exposure behavior, and maternal vitamin D intake were analyzed for correlation using regression models. Results: Among the 131 infants, 101 (77%) had vitamin D deficiency (VDD), which was defined as having 25(OH)D levels <37.5 nmol/L, and 13 (10%) had vitamin D insufficiency (VDI), with levels >37.5-50 nmol/L. Conversely, maternal VDD with levels <50 nmol/L was seen in 31 (24%) mothers and maternal VDI with levels 50-75 nmol/L, in 63 (48%) mothers. Infant age and maternal 25(OH)D status were independent predictors of infant VDD. Infants less than three months old were found to have a six-time increased risk of infant VDD (p=0.004). Infants who had mothers with VDD had a six-time increased risk, whereas those with maternal VDI had a four-time increased risk of infant VDD (p=0.049 and p=0.020, respectively). Conclusion: Both infant and maternal VDD and VDI were seen to be highly prevalent in this tropical, urban community. Young infants and maternal VDD/VDI independently increased the risk of infant VDD, whereas lack of sun exposure of the mothers increased the risk for maternal VDI.

• Research in Community and Public Health Nursing
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• v.31 no.4
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• pp.427-435
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• 2020

Purpose: The purpose of this study was to assess the knowledge and health beliefs about gestational diabetes and to identify the influence on breastfeeding intention of women those who have been diagnosed with gestational diabetes. Methods: A cross-sectional descriptive study was designed. A questionnaire survey was conducted on 270 women who were pregnant and currently diagnosed with gestational diabetes. Data collection was conducted at Internet cafes and breastfeeding clinics where pregnant women were able to participate actively. The data collection period was from November 5 to November 27, 2019 and analyzed using descriptive statistics, independent t-test, χ2 test and multiple logistic regression. Results: The average age of the participants was 34.21±3.73 years. There were 221 women who had breastfeeding intention, and 49 women who did not intend to breastfeed. The higher the perceived susceptibility (OR=2.49, p=.032), benefits (OR=2.62 p=.009), and the self-efficacy, the higher the intention to perform breastfeeding (OR=2.97, p=.004). On the other hand, the higher the perceived severity, the lower the intention to perform breastfeeding (OR=0.35, p=.007). Conclusion: Health beliefs such as perceived susceptibility, perceived benefits, self-efficacy and perceived severity have been shown to affect the breastfeeding intention. Based on these results, we suggest developing a breastfeeding promotion intervention program that improves self-efficacy in gestational diabetics.

• Women's Health Nursing
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• v.27 no.4
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• pp.278-285
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• 2021

Purpose: This study aimed to examine the effect of a newborn care education program using ubiquitous learning (UL-NCEP) on exclusive breastfeeding and maternal role confidence of first-time mothers in Vietnam. Methods: This quasi-experimental study with a nonequivalent control group design was conducted at a university hospital in Hue city, Vietnam, between June and July 2018. Eligible first-time mothers were conveniently allocated to the experimental (n=27) and the control group (n=25). Mothers in the control group received only routine care, whereas mothers in the experimental group received UL-NCEP through tablet personal computers in addition to routine care in the hospital. Then, the educational content was provided to mothers by their smartphone for reviewing at home. UL-NCEP was developed based on the World Health Organization's "Essential Newborn Care Course" guidelines. The exclusive breastfeeding rate and maternal role confidence level after birth and at 4 weeks postpartum were assessed in both groups to assess the effect of UL-NCEP. Results: At 4 weeks postpartum, the experimental group showed a significantly higher level than the control, for exclusive breastfeeding rate (p<.05) as well as mean maternal role confidence (p<.05). Conclusion: UL-NCEP was a feasible and effective intervention in increasing first-time Vietnamese mothers' exclusive breastfeeding rate and maternal role confidence level. This program may be integrated into routine care for postpartum mothers to promote mother and infant health among first-time mothers in Vietnam.

• Journal of Ecology and Environment
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• v.45 no.4
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• pp.163-169
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• 2021

Background: Understanding the habitat characteristics of the endangered Siberian flying squirrel Pteromys volans is the first step in conserving and managing the forests it requires for nesting, gliding, and feeding. Therefore, in the present study, we characterized the habitats of P. volans using GIS analysis of 411 forest sites in South Korea where fecal droppings were found. Results: Fecal signs of P. volans were found in various regions in South Korea, including the Baekdudaegan Mountains. GIS analysis with six environmental layers (vegetation type, wood-age class, diameter at breast height [DBH], crown density, elevation, and distance from stream) revealed that fecal signs of P. volans were more frequently found in broad-leaved deciduous forests (42%) located 200-399 m above sea level (43.1%) and 0-199 m from the nearest stream (53%), with 5th class wood-age (35.3%), middle size class DBH (51.1%), and high crown density (71%). Conclusions: The present study provides information on the biotic and abiotic characteristics of P. volans habitats. In South Korea, the fecal droppings of P. volans were found predominantly old deciduous broadleaf forests. Further studies are needed to reveal whether the more frequent occurrence of P. volans dropping in broadleaf forests may be due to a particular preference of this species for the forests or to a simple reflection of the area of the broadleaf forests occupying a much larger area than other forest types in Korea.

• Animal Bioscience
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• v.35 no.8
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• pp.1215-1222
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• 2022

Objective: A feeding trial was carried out to determine the effect of dietary inclusion of silymarin seed extract on growth performance, nutrient digestibility, excreta microbiota, excreta gas emission, blood profiles, and meat quality in broilers. Methods: A total of 1,088 one-day-old Ross 308 broiler chicks (mixed-sex) with an initial body weight of 42.34±0.82 g, were randomly allocated into 1 of 4 dietary treatments with 17 replicates of 16 chicks per cage and fed a basal diet supplemented with 0%, 0.02%, 0.04%, and 0.06% of silymarin. Results: The inclusion of silymarin supplementation linearly increased the body weight of broilers during days 7 to 21 and 1 to 35 days. On day 35, broilers fed a diet containing graded levels of silymarin supplementation linearly increased the nutrient digestibility of dry matter, gross energy, and nitrogen and cecal Lactobacillus counts (p = 0.038). While silymarin supplement linearly reduced the methyl mercaptans (p = 0.039) and acetic acid (p = 0.007) emission in broilers. No significant effects were observed on the blood profile. Relative weights of organs such as breast muscle, bursa of fabricius were increased (linear effect, p<0.05), water holding capacity was enhanced by increasing the silymarin level from 0% to 0.06%. A linear reduction (p>0.05) in drip loss from meat samples during days 1, 3, 5, and 7 by the addition of graded level of silymarin to the diet. Conclusion: An increasing level of silymarin supplementation to the diet of broiler would be beneficial to enhance growth performance, nutrient digestibility, excreta microflora, blood profile, and meat quality traits.

• The Journal of Korean Obstetrics and Gynecology
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• v.34 no.3
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• pp.49-64
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• 2021

Objectives: This study analyzed medical records and online survey of mothers who received herbal medicine treatment using the Jeollabuk-do Postpartum Health Support Project. Through this, we would like to discuss the proposal of a postpartum questionnaire of korean medicine for the initial examination, and the project direction. Methods: This study investigated the medical records of 46 mothers who received herbal medicine treatment using the Jeollabuk-do Postpartum Health Support Program at one korean medical hospital. The mother's general characteristics, past history, symptoms, and herbal medicine prescription were analyzed. In addition, through the 33 mothers who responded to the online survey questionnaire, 13 items including medication satisfaction, lactation, and side effects were investigated. Results: The average age of the subjects was 34.46±4.27 years. Musculo-skeletal pain was the most common in both medical records and online surveys. The date of visit from the date of delivery was 47.56±57.15 days. Boheo-tang was prescribed the most, and 84.8% of mothers answered positively about their health after taking herbal medicine. Conclusions: The satisfaction of mothers who received herbal medicine treatment through this project was very high. There were no significant side effects on the mother and the breastfeeding baby who took herbal medicine. In the future, support projects for postpartum korean medical treatment at the national or local level will be necessary.

• Journal of Preventive Medicine and Public Health
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• v.55 no.2
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• pp.182-192
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• 2022

Objectives: Understanding the factors influencing mothers' decision to breastfeed their infants is essential to formulate effective breastfeeding interventions. This study explored the determinants of optimal breastfeeding indicators in Indonesia. Methods: We used the 2017 Indonesia Demographic and Health Survey to analyze factors associated with early initiation of breastfeeding, exclusive breastfeeding (EBF), and continued breastfeeding at 1 year (CBF-1) and 2 years (CBF-2). Multivariate logistic regression models were used to examine bio-demographic, socio-cultural, and behavioral characteristics associated with breastfeeding after considering the survey design effect. Results: The risk of delayed breastfeeding initiation was higher among infants who were born smaller, first-born children, were delivered via cesarean delivery, and did not have immediate skin-to-skin contact (p<0.01). Infant's age, birth pattern, household wealth index, and the mother's occupation and smoking status were predictors of EBF (p<0.05). CBF-1 was less common among first-time mothers and those working in the non-agricultural sector, mothers from wealthier families, and mothers who had cesarean deliveries (p<0.01). Infant's age was negatively associated with CBF-2 (adjusted odds ratio [aOR], 0.85; 95% confidence interval [CI], 0.74 to 0.99). Mothers attending college were less likely to practice CBF-2 than those with no education or primary education (aOR, 0.45; 95% CI, 0.26 to 0.77). The absence of postnatal visits was a risk factor for CBF-1 and CBF-2 (p<0.05). Conclusions: Breastfeeding interventions in Indonesia should pay particular attention to at-risk groups such as women from wealthier families, working outside the agricultural sector, and with a higher education level. Nutrition-sensitive programs (e.g., postnatal care and smoking cessation) should also be encouraged.

• Journal of Korean Academy of Nursing
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• v.54 no.2
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• pp.224-236
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• 2024

Purpose: This study aimed to evaluate the effects of a mobile-based breastfeeding promotion program (M-BFGDM) that helps mothers with gestational diabetes. Methods: Forty-seven mothers participated in the study, of whom 22 were in the experimental group and 25 in the control group. To verify the effects, a lag design before and after the non-equivalence control group was used. The data collection for the experimental group was done before and after the intervention. Results: In the results, breastfeeding knowledge showed a significant difference in the interaction between measurement period and group (χ² = 8.14, p = .017), whereas breastfeeding intention did not show a significant difference in the interaction (χ² = 4.73, p = .094). There was no difference in self-efficacy interaction (F = 0.13, p = .856). The breastfeeding method showed no difference in interaction (F = 0.04, p = .952), whereas cross-analysis showed a significant difference in breastfeeding practice rate between the experimental group and the control group at 1 month postpartum (χ² = 7.59, p = .006). Conclusion: A mobile-based breastfeeding promotion program was developed and applied for gestational diabetic mothers, resulting in an increase in breastfeeding knowledge and an improvement in breastfeeding practice rate one month after childbirth. In addition, M-BFGDM managed to create a breastfeeding practice environment with fewer time and place restrictions. A program study that complements motivation is needed to improve breastfeeding in pregnant diabetic mothers in the future.

• Korean Journal of Poultry Science
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• v.32 no.2
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• pp.81-87
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• 2005

A study was carried out to examine the effects of dietary kaolin on the performance, feed and nutrient efficiency, meat quality and feeding environment using 200 day-old growing ducts. Four replicates of 10 birds each was assigned to diets containing 0(C), 1 (T1), 2(T2), 3(T3) and $4(T4)\%$ of kaolin. Body weight gain in T1 and T2 were higher than in $C(p<0.05)$ whereas weight gain in T3 and T4 were not significantly different from the control. Feed intake and feed conversion ratio tended to increased as the level of dietary kaolin increased, but without significant differences among treatments. Mortality of growing ducks during 6 week period was not significantly different among treatments. Dressing percentage was highest in T1 and lowest in T4 $(p<0.05)$. The utilizability of nutrients except for crude fat Increased$(p<0.05)$, as the level of dietary kaolin increased. Moisture content and $NH_3$ gas emission of excreta was not significantly influenced by dietary kaolin. $H_2S$ gas emission of excreta in T2, T3 and T4 was lower compare to that in C and $T1(p<0.05)$. Cholesterol content in breast and thigh meat was not different among treatments. Values for pH, WHC, TBARS, POV and Cooking loss of breast and thigh meat were not significantly different or did not show any trend among treatments.