Byung-Sung Park

• Kangwon National University

The purpose of this study was to determine the effect of ionized calcium on bacteria cross contamination on chicken carcass and meat during the slaughter process. Compared to the control group, colony of E. coli was not observed on medium containing 0.5% ionized calcium. Cross contamination of bacteria on carcass surface of fresh chicken was increa...

High stocking density (HSD) and heat stress (HS) caused by climate change can lower blood homeostasis and negatively impact the behavioral traits of animals. The objective of this study was to explore the influence of stocking densities on behavioral traits, blood parameters, immune responses, and stress hormones in meat ducks (Cherry valley, Anas...

This study investigated the pharmacodynamics of betaine on the blood profile and short chain fatty acid levels in meat ducks exposed to heat wave. 400 heads of Cherry valley (Anasplatyrhynchos) meat ducks were completely randomized to 5 treatments (4 repetitions each), and were raised for 42 days. They were grouped into T1 (heat wave control group...

The present study was carried out to investigate the effect of provision of extreme heat stress diet (EHD), inverse lighting, cold water on growth performance of broiler chickens exposed to extreme heat stress. The chickens were divided into four treatment groups, (T1, T2, T3, T4) as given below: Ti (EHD 1, 10:00-19:00 dark, 19:00-10:00 light, cool...

The main objective of this study was to investigate whether orally administered Korean grain larvae ethanol extract (GLE) had a bifidogenic effect in normal rats. Male Sprague-Dawley rats were divided into a negative control group (CO) and GLE orally administered (5.0, 7.0 and 9.0 mg/100 g body weight) groups. Thymus and spleen weights dosedependen...

The Natural Plant Extracts (NPE), produced by mixing seven natural plant extracts including sweet flag, contains asacurin 100 as its main ingredient and shows improvement in skin, but no hair growth effect has been reported. This study was conducted to evaluate the effects of NPE on mouse hair loss prevention and hair growth promotion and to determ...

This research tried to explain only a part of mechanisms possibly involved in anti-obesity effects of the Extracts of Sulfur-grain Maggot (ESM). Animals were classified into a normal diet group (NC, normal control), HFD (high-fat diet without ESM), HFD 15 (high-fat diet+oral administration of 15 mg of ESM extract/100 g body weight) and HFD 30 (high...

The purpose of this study was to determine the effects of oral administration of ethanol extracts from maggots (EM) on lowering blood lipids in rats that are placed on a high-cholesterol diet. Sprague Dawley male rats were randomly divided into the following 4 groups based on the amount of EM administration in mg 100 g of per body weight over the p...

This study was determined the hair growth effect and mode of action of a complex extract (abelmo), extracted from various natural plants including Acorus calamus var. angustatus. 30 six-week old C57BL/6 mice were randomly assigned into three treatment groups with ten mice per treatment group repeatedly. The treatment group is a control group, and w...

This study was carried out to determine the action mechanism of sulfur-grain larvae extract (SGE) on anti-obesity and the reduction of blood lipid level in high-fat diet induced obese model animals. Animals were classified into a normal diet group (NC, normal control), HFD (high-fat diet without SGE), HFD 15 (high-fat diet + oral administration of...

Housefly (Musca domestica L.) maggots are used as biomedical material. Ethanolic extracts of fly maggot (EM) were orally administered to male rats at levels of 0 (control group), 4.0, 6.0, and 8.0 mg per 100 g live weight for 40 days. Serum triglycerides, total cholesterol, and LDL-C decreased by 17.90, 17.60, and 16.37%, respectively, whereas HDL-...

This study was carried out to find out the effect of supplying gamma linolenic acid (GLA) on laying performance and egg quality. A hundred twenty of 30 weeks old hyline brown laying hens with 98% of egg production were completely randomized to 4 different treatment groups by 30 hens (the control group fed with the diet containing beef tallow, 3 tre...

The purpose of this study was to evaluate the effect on lowering blood LDL-C inan adult human, by taking n-6/n-3 balanced Hanwoo beef and reducing n-6/n-3 in loin ofHanwoo beef. The randomized complete block design was used to conduct an experiment with atotal of 20 castrated Hanwoo cattles, which were divided into two groups. Each group had 10catt...

This study was performed to elucidate the biochemical mechanism of metabolism onreducing blood lipid, by oral administration of egg yolk in rats. A total of 36 Sprague Dawleymale rats were randomized into four treatment groups, according to a randomized block design.Each group was further divided into three repeat cages, with each repeat cage compr...

This study was carried out to investigate the effect of feeding fermented earthworm cast additives (FEC) on egg production, egg yolk fatty acids, blood lipid, cecal microorganism and fecal odor. The completely randomized experiment was applied, and the treatments were designed as 2 feeding regimens (control vs. FEC feeding), and FEC contained 3.5%...

The aim of this study was to evaluate the biological mechanism of orally administered ethanolic extract of fly maggot(EM) on hypocholesterolemic rats fed a high-cholesterol diet. Sprague Dawley male rats were divided into four groups (EM dose control=0, 5.0, 7.0, and 9.0 mg/100 g BW) and were treated for 6 weeks. EM groups revealed a significant re...

The multi-origin of obesity and its associated diseases made it's a complex area of biomedical science research and severe health disorder. From the 1970s to onwards this health problem turned to an epidemic without having any report of declining yet and it created a red alert to the health sector. Meanwhile, many animal models have been developed...

The aim of the study was to investigate the feeding effect of diets containing 3, 5 and 7% of cinnamon powder on meat quality and growth performance in broiler chickens. The chicken meat quality and growth performance in broiler chickens fed diets containing cinnamon powder increased significantly (P < 0.05) when compared to the control group. Howe...

This study was carried out to investigate the effects of inuloprebiotics (INPs), an alternative antibacterial growth promotor, from Jerusalem artichoke extract (Helianthus tuberosus L.) on egg production and quality in Hyline brown laying hens. The hens were divided randomly into four treatment groups and housed in individual cages for 10 weeks: a...

The purpose of this study was to evaluate the effect of the ethanol extract from the grain larvae (GLE: Grain Larvae Ethanol extract) on the blood lipid level of high-fat diet-induced obese rats (Experiment I) and on the protective effect of liver damage in rats that were given intraperitoneal injections of Chlorotetracycline (CC1 4) and alcohol (E...

Inulin is reported to improve the egg quality and production of laying hens. In the present study, we investigated the dietary effects of microcapsulated inulin oligosaccharide (INO) which is manufactured from Jerusalem artichoke ( Helianthus tuberosus L.) on the cecum bacteria, egg quality and production of laying hens. 400 laying hens were random...

The purpose of this study was to examine the effect on lowering LDL-C in a adult human by applying low animal foods with a lower n-6/n-3 ratio. It was found that the n-6/n-3 ratio was significantly lowered in the low Hanwoo beef, the low pork, the low chicken, the low egg and the low milk to 4:1 or below, compared with commercial animal foods (p<0....

This study has been performed to assess the anti-atopic efficiency in DNCB induced BALB/c to examine a therapeutic effect of Atobeauty cream which was provided by NJY Life Science Co., Ltd. on atopic dermatitis. Such BALB/c mice were provided by NJY Life Science Co., Ltd. The randomized complete block design was done by dividing 20 male mice with B...

This study was carried out to investigate the effect of inulin extracted from Jerusalem artichoke (Helianthus tuberosus) on decrease of blood hpids and blood glucose in STZ-induced diabetic rats. The oral administration of inulin decreased blood lipids and blood glucose, implying the utility of artichoke-extracted inulin as a bioactive material to...

This study was carried out to evaluate the effects of the addition of different levels of CFP (Cordyceps with fly pupa) on growth performance in broiler chickens. 400 broiler chicks (Ross 308, 1 day old) were sorted randomly into 4 treatment groups and fed experimental diets for 35 days. The treatment groups were divided into a control group not fe...

In the present study, as an alternative to antibiotics in broiler diets, microencapsulated-muloprebiotics extracted from Korean Jerusalem artichoke was manufactured as a natural antimicrobial agents and added to broiler diets after which the quality and storability of chicken meat were investigated. A total of 360, 1 day old Ross 308 broiler chicks...

In the present study, we investigated the effect of Microencapsulated-Inulin (MCI) in feed on the improvement of the growth performance in broilers using MCI prepared from Korean Jerusalem artichoke as a natural antibacterial growth promoter. After sex identification, 320 male Ross 308 broilers were randomly allotted to treatment groups and fed for...

The aim of this study is to determine the effect of dietary pitamin as an antibiotic replacement in broiler chicken. The treated groups were as follows: 1) the control, 2) the antibiotics (8 mg of avilamycin kg(-1) of diet) and 3) the pitamin (70 mg of pitamin kg(-1) of diet) groups. Body weight gain, feed intake, and feed efficiency were significa...

The present study furthered this research by determining the optimal level of inuloprebiotics derived from Korean Jerusalem artichoke to promote growth in broiler chickens. On hatch day, 320 male Ross 308 broilers were randomly allotted to four groups for a 35-day feeding regimen. The groups were a control (no supplementation), diet supplementation...

This study evaluated the effects of the addition of different levels of VWFP (Vegetable Wasps with Fly Pupa) on the growth performance, carcass characteristics and gastrointestinal microorganism populations of broiler chickens. About 400 animals (Ross 308, 1 day old) with an average body weight of 45 g were sorted randomly into 4 treatment groups a...

This study was conducted to evaluate the effects of dietary Korean red pine bark extract as an antibiotic replacement on cecum microflora, immune functions, blood lipids, carcass characteristics, and growth performance in broiler chickens. There were four treatment groups: a control group, an antibiotic group, and two treatment groups receiving 65...

A component of pine bark extract, pitamin, is known as an antioxidant and antimicrobial agent that exerts a variety of physiological effects; this compound has also been used widely in human beings. A 35-day trial was conducted to determine the influence of dietary pitamin premix via a sensory evaluation and evaluations of the TBARS, and meat quali...

Recent studies have suggested that inulin might be utilized as a prebiotics for the promotion of antimicrobial growth, but a major obstacle to the use of inulin has been its low bifidogenic effects, which were initially observed in the ceca of broiler chickens. Inulin has some problems with related to denaturation in air and lowering passage rate f...

A 35-day trial was carried out to determine the influence of dietary cinnamon powder (CNP) on the sensory evaluation and quality of chicken meat, carcass characteristics, plasma lipid level and growth performance of broiler chickens. There were 5 treatment groups: control; CNP 2.0%; CNP 3.0%; CNP 4.0%; and CNP 5.0%. The body weight of the broilers...

BACKGROUND:A hypocholesterolemic effect of β-cyclodextrin (βCD) has been recently reported in various animals. This study was performed to determine the effect of dietary βCD on hypocholesterolemic effect, and its relationship to bile acid changes of 120 finishing pigs fed a commercial diet containing 0%, 5%, 7%, or 10% βCD for 30 days before slaug...

This study examined the effects of different levels of evening primrose oil (EPO) on the accumulation of -fatty acids in broiler meat. Six hundred one-day-old male chicks (Ross strain) from commercial broilers were divided randomly into 6 groups4 repeat pens. The broilers were fed experimental diets containing 4.0% tallow (control), 0.5% EPO, 0.7%...

We report that the gamma linolenic acid content of pork is higher in finishing pigs fed diets containing hemp seed oil, evening primrose oil or borage oil as the sources of gamma linolenic acid. Thirty-six three crossing swines (), 80 kg in body weight, were randomly separated into four treatment groups with three pens per treatment and three anima...

This study demonstrates that pork cholesterol levels are reduced in fattening stage swine fed β-cyclodextrin (βCD). The study subjects were 120 swine fed their respective chow diets containing 0, 5, 7, or 10% βCD for 35 consecutive days. Plasma total lipids, triglyceride and total cholesterol of the βCD-treated group were significantly lower than t...

The purpose of this study was to determine the effect of dietary linseed oil and canola oil on the deposition n-3 polyunsaturated fatty acid in pork. Twelve pigs weighing 50 kg were offered one of four diets based on corn and soybean meal and containing tallow, linseed oil, canola oil or mixed oil (linseed oil plus canola oil). The pigs were slaugh...

We determined whether the direction of the acute effect of insulin on hepatic triacylglycerol secretion is dependent on the prior physiological state or on the in vitro experimental system used. The effect of insulin on triacylglycerol secretion was studied using perfused livers isolated from rats under three metabolic conditions: fed normo-insulin...

Polyunsaturated fatty acids (PUFA) have been suggested to exert their hypotriglyceridaemic effect through several possible mechanisms that would be expected to decrease the rate of hepatic very-low-density-lipoprotein-triacylglycerol secretion. We have quantified the role played in vivo by changes in the pattern of partitioning of (i) acyl-CoA betw...