Cho Jin-Ho;Kwon Oh-Suk;Min Byoung-Joon;Son Kyoung-Seung;Chen Ying-Jie;Hong Jong-Wook;Kang Dea-Kyung;Kim In-Ho
Food Science of Animal Resources
/
v.24
no.4
/
pp.329-334
/
2004
The objective of this study was to determine the effect of herb and bio ceramic complex supplementation on growth performance and meat quality characteristics in finishing pigs. Seventy-two crossbred (Landrace ${\times}$ Yorkshire ${\times}$ Duroc) pigs (78.98kg average initial body weight) were used in a 45 days growth assay. Dietary treatments included 1) Control (basal diet). 2) HBC (Herb and bioceramic complex) 0.1 (basal diet + 0.1% Herb and bioceramic complex) and 3) HBC 0.2 (basal diet +0.2% Herb and bioceramic complex). For overall period, ADG (Average Daily weight Gain), ADFI (Average Daily feed Intake) and ADG/ADFI increased in Control with no significant difference (p>0.05). Backfat thickness was not significantly different among the treatments (p>0.05). The total cholesterol, HDL (High Density Lipoprotein) cholesterol, LDL (Low Density Lipoprotein) cholesterol, LDL + VLDL (Very Low Density Lipoprotein) cholesterol, Triglyceride and Atherogenic index concentrations of serum in pigs fed HBC 0.2 diet were lower than those of pigs fed Control and HBC 0.1 diets without significant difference (p>0.05). L$\^$*/-, a$\^$*/-, and b$\^$*/- values of M. longissimus dorsi muscle were not significantly different among the treatments (p>0.05). The pH of pigs fed HBC 0.2 diet was significantly lower than that of pigs fed Control and HBC 0.1 diets (p<0.05). In conclusion, growth performance, cholesterol concentration in serum and meat quality were not affected by supplemental herb and bioceramic complex.
This study investigated the effects of copper and zinc sources on growth performance, nutrient digestibility, carcass traits and meat characteristics in finishing pigs. Dietary treatments included 1) inorganic copper ($CuSO_4{\cdot}5H_2O$ 30ppm), 2) organic copper (Cu-methionine, 30 ppm), 3) inorganic zinc (ZnO, 80 ppm) and 4) organic zinc (Zn-methionine, 80 ppm). ZnO treatment improved the ADFI (average daily feed intake) compared to Cu-met and Zn-met treatments (p<0.05) during 5 weeks of treatment. However, during the entire experimental period, the ADG (average daily gain), ADFI and F:G ratio (feed conversion ratio) were not significantly different among the treatments (p>0.05). DM and N digestibility were not significantly different among the treatments after 5 weeks (p>0.05). At the end of the experiment, DM and N digestibility were decreased with Zn-met treatment relative to the other three treatments. The pH value of meat from $CuSO_4$ treated pigs was greater than Zn-met and ZnO treated pigs (p<0.05). Sensory evaluation was carried out for randomly selected (n = 16) paired loin samples. Meat color levels were increased (p<0.05) with Cu treatments compared to Zn treatments. $CuSO_4$ decreased the marbling of meat relative to the other treatments (p<0.05). The firmness was greater with ZnO treatment compared to Cu-met and ZnO treatments (p<0.05). These results indicate that inorganic Zn can improve growth performance, however, inorganic Cu and Zn are as effective as organic Cu and Zn at improving nutrient digestibility, carcass traits and meat quality. This form of organic additive can be friendlier to the environment than inorganic supplements.
The effects of various levels of dietary dried whole crop of kale (0.1%, 0.3%), dried peel of kale (0.3%), dried whole crop of Angelica keiskei (Koidz) (0.1%, 0.3%), and peel of Angelica keiskei (Koidz) (0.3%) in egg-laying performance were studied with 560 ISA brown layers for a period of 12 weeks. No significant differences were recognized between the treatments and control in egg production, feed intake and egg mass. The quality of egg and eggshell were not different among treatments but egg yolk color was improved in the both of whole crop and peel of kale and Angelica keiskei (Koidz). Vitamin and polyunsaturated fatty acid concentration of eggs increased in treatments compared to control but were not significantly different from controls. In conclusion, dried peel of kale and Angelica keiskei (Koidz) supplementation in laying hens diet improved egg yolk color, and improve vitamin concentration of chicken eggs.
Park, Seong-Bok;Lee, Kyeong-Jin;Lee, Wang-Hyu;Ryu, Kyeong-Seon
Korean Journal of Poultry Science
/
v.39
no.2
/
pp.157-161
/
2012
The objective of this study was to evaluate the effects of feeding dried Thymus vulgaris powder (TVP) on the layer performance, egg quality and egg yolk fatty acid composition. Two hundred eighty eight, 35 weeks old Brown nicks were allocated in the cage for five TVP (0, 0.25, 0.5, 1.0 and 2.0%) diets with four replicates in each treatment. Each basal diet contained 16.0% CP and 2,800 kcal/kg ME and supplied to layers for 8 weeks. Egg production and egg weight were not statistically different but numerically increased in birds fed 2.0% TVP than other treatments. Egg mass was not consistent depending on the TVP addition levels in diets. Feed intake was significantly lower in TVP addition treatments than the control (p<0.05), however, feed conversion was not significantly differed among control and treatments (p<0.05). Dietary addition of 2.0% TVP showed high values on albumin height, Haugh unit and egg yolk color and they are 7.93, 86.79 and 7.20, respectively (p<0.05). Palmitic and arachidonic acids were remarkably lowered when 2.0% TVP added to basal diets and then fed to birds for 8 weeks, in contrast, significantly higher linolenic acid composition was determined in birds fed 2.0% TVP (p<0.05). As the results, the highest unsaturated fatty composition and UFA/SFA ratio were observed in 2.0% TVP treatment as compared to those of control and other treatments. Therefore, the results indicate that the Thymus vulgaris powder addition to basal diet tended to have positive effects on egg quality and egg yolk fatty acids composition, and the optimum addition of Thymus vulgaris powder may be 2.0%.
Kim, Min-Jeong;Jeon, Dong-Gyung;Ahn, Ho-Sung;Yoon, Il-Gyu;Moon, Eun-Seo;Lee, Chai-Hyun;Lim, Yong;Jang, In-Surk
Korean Journal of Poultry Science
/
v.47
no.3
/
pp.169-180
/
2020
This study examined the effects of a probiotic complex (PC) containing Lactobacillus plantarum, Bacillus subtilis, and Saccharomyces cerevisiae on growth performance, organ weight, immune parameters, fecal microbial count, and noxious odor in broiler chicks. A total of 216 birds (4-day-old) were fed a basal diet (CON) and a diet supplemented with 0.25% (PC1) and 0.5% (PC2) of PC until 35 days of age. No difference in body weight, feed intake, and FCR was observed among the groups. The intestinal mucosal weight of the PC1 group was greater than that of the CON group without affecting weights of the other organs. Intestinal secretory immunoglobulin A (sIgA) levels in the PC2 group increased significantly (P<0.05) compared with that in the CON group. The PC2 group also had a strong tendency for elevated blood sIgA levels. Dietary PC did not affect the level of interleukin-1β in the blood and mucosal tissues or alter maltase, sucrase, and leucine aminopeptidase activities in the intestinal mucosa. The PC2 group had higher colony-forming units (cfu) for L. plantarum and S. cerevisiae, but lower cfu for E. coli than those in the CON group. Compared to the CON diet, the PC2 diet resulted in a decreased H2S concentration and a tendency toward decreased CH3SH concentration. In conclusion, a 0.5% PC diet showed increased sIgA and desirable microbial population, and decreased noxious odor in the feces, suggesting that PC could be applied as an environmentally friendly feed additive in broiler chicks.
A layer feeding trial was conducted for 10 weeks to investigate the effects of the addition of corn distillers dried grains with solubles (DDGS) to layer diets on the laying performance, egg qualities, and yolk fatty acid composition. Nine hundred Hyline Brown layers, 24 weeks of age,were randomly allotted to 20 replicate laying cages, 45 birds per replicate. There were four diet treatments (0, 10, 15, and 20% DDGS), and five replicates per treatment. All experimental diets were prepared to contain iso-protein (17%) and iso-calorie (TMEn 2,780 kcal/kg). The use of DDGS up to 20% level in layer diets did not exert any influence on feed intake, laying rate, total egg mass, mean egg weight, and feed conversion ratio. DDGS did not exert any influence in weight of egg, breaking strength, and color of eggshell. The albumen height and Haugh unit was not influenced by DDGS addition. The yolk color was significantly increased by DDGS supplementation. As the DDGS level increased, the oleic acid content decreased, and the linoleic acid increased (P<0.05). The degree of saturation of yolk fatty acids was not affected by dietary DDGS. The inclusion of DDGS up to 20% in layer diets resulted in the decrease of feed cost per kg without any effect in the laying performance. In conclusion, the use of DDGS up to 20% level in layer diets could replace corn and soybean meal without any harmful effect on the laying performances.
In order to determine the effective concentration, 2, 7, and 14 brix black garlic extracts (BGE) were fed to restraint stressed rats and the lipid metabolism was analyzed. The dietary intake of the 14 brix BGE-fed group was $547.64{\pm}13.99$ g/4 weeks and it was significantly higher than that of the control group. The weight of all organs from the all BGE-fed groups showed no significant differences. While BGE concentration increased, BGE-fed groups tend to have low content of blood glucose. It was the lowest in the 14 brix BGE-fed group ($121.32{\pm}3.50$ mg/dl). Total cholesterol content was $54.54{\pm}1.63{\sim}65.84{\pm}2.61$ mg/dl. Total cholesterol content of the 14 brix BGE-fed group was the lowest and, in addition, lower than the normal group. Triglyceride content of serum showed the same tendency. HDL-cholesterol concentrations of the restraint stressed control (RSC) group were significantly higher than those of 7 and 14 brix BGE-fed groups. LDL and VLDL-cholesterol contents showed contrary results. GOT, GTP, and ALP activity of serum were lower when BGE concentration was higher. It is expected that BGE has a liver protective activity. In the liver, total lipids and triglyceride contents were significantly lower in BGE-fed groups than in the ISC group. However, total cholesterol content showed no significant difference between groups. TBARS content in liver of the 2 brix BGE-fed group was not significantly different than control, while 7 and 14 brix BGE-fed groups were lower than control. Glycogen content in the liver was only significantly lower in the 14 brix BGE-fed group than in the RSC group. Findings indicate that feed of BGE over 7 brix contributes to resolving the restraint-stressed rats by improving the lipid metabolism and liver protective activity.
Kim, Seong-Ho;Jung, So-Hyoung;Kim, In-Ho;Lee, Yu-Soon;Lee, Jin-Man;Kim, Jong-Guk;Lee, Myung-Chul;Choi, Mi-Ja;Kim, Duk-Jin
Journal of the Korean Society of Food Science and Nutrition
/
v.37
no.1
/
pp.35-41
/
2008
The purpose of this study was to investigate the effects of Chungkookjang viscous biopolymer supplementation on blood glucose and serum lipid-lowering in Streptozotocin (STZ)-induced diabetic rats. The rats were divided into three experimental groups; a normal group (N), diabetic control group (D), and a diabetic group with the supplementation of Chungkookjang viscous biopolymer (DCB). The groups were given experimental diets for four weeks. The normal group (C) was fed a casein-based diet, and the Chungkookjang viscous biopolymer group (DCB) received 3% biopolymer added to the casein-based diet. In the diabetic group (D), food intake increased significantly, but weight gain decreased significantly. The food efficiency ratio was significantly lower in the diabetic group. Liver weight increased significantly in the D group as compared to the N group. However, the DCB group showed a significant decrease in liver weight when compared to the D group. Blood glucose decreased significantly in the DCB group after receiving the experimental diet for four weeks, as compared to the diabetic control (p<0.05). Serum triglyceride levels were significantly lower in the DCB group than in the D group, whereas HDL-cholesterol levels were significantly higher (p<0.05). Total cholesterol was decreased in DCB group, but there were no significant differences. Also, LDL-cholesterol level was not significantly different among the experimental groups. Hepatic triglyceride and cholesterol were lower in the DCB group with no significant differences among groups. These results indicate that dietary supplementation of Chungkookjang viscous biopolymer improved glucose lowering and lipid metabolism in diabetic rats.
Kim, Ae-Jung;Kim, Sun-Yeou;Choi, Mi-Kyeong;Kim, Myung-Hwan;Han, Myung-Ryun;Chung, Kun-Sub
Korean Journal of Food Science and Technology
/
v.37
no.4
/
pp.636-641
/
2005
Mulberry leaves, high in dietary fiber and some nutritional materials, are thought to have hypocholesterolemic effect. Therefore, effect of mulberry leaf powder on serum lipid profiles were studied using rats with diet-induced hypercholesterolemia. Male Sprague-Dawley rats were fed AIN-93 diet (control group), and diets containing high-cholesterol and 0% mulberry leaves powder, high-cholesterol and 5% mulberry leaves powder, and high-cholesterol and 10% mulberry leaves powder for 4 weeks. Hypercholesterolemia was induced by adding 1% cholesterol and 0.5% cholic acid to all diets except in control group. Although no differences were observed in food intake and initial body weight among groups, mulberry leaf treatment resulted in significant decreases in food efficiency ratio and body weight gain. Mulberry leaf treatment decreased serum lipid profiles, atherogenic index, cardiac risk factor, low density lipoprotein cholesterol ratio, serum aspartate transaminase, and liver lipid levels. High density lipoprotein cholesterol, total cholesterol, serum HDL-cholesterol, and fecal lipid levels increased, suggesting mulberry leaves could improve hyperlipidemia and liver action, thereby proventing cardiovascular disease.
Kim, Ah-Ra;Lee, Jae-Joon;Cha, Sun-Sook;Chang, Hae-Choon;Lee, Myung-Yul
Journal of the Korean Society of Food Science and Nutrition
/
v.41
no.5
/
pp.621-629
/
2012
This study investigated the effect of soybeans, $chungkukjang$, and $doenjang$ on blood glucose and serum lipid profile in streptozotocin (STZ)-induced diabetic rats. Male Sprague-Dawley rats weighing 205 g were divided into non-diabetic and diabetic groups. The diabetic groups were further subdivided into four experimental groups: a normal group (N), a diabetic control group (STZ-C), a diabetic group fed autoclaved soybean powder (STZ-S), a diabetic group fed $chungkukjang$ powder (STZ-CKJ) and a diabetic group fed $deonjang$ powder (STZ-DJ). Food and water intakes were higher in the diabetic groups than in the N group. The body weight gain and food efficiency ratios were higher in the STZ-S, STZ-CKJ, and STZ-DJ groups than in the STZ-C group, but created no significant changes between the diabetic groups on food intake and body weight gain. The whole blood level at 4 weeks of the STZ-CKJ group was significantly lower than the STZ-C group. Serum glucose levels of the STZ-S, STZ-CKJ, and STZ-DJ groups were significantly lower than the STZ-C group, but there was no significant change in serum insulin levels. The AST and ALP activities in serum were markedly higher in the STZ-C group, but these decreases in relation to diabetes increased in the STZ-S, STZ-CKJ, and STZ-DJ groups. The level of serum triglycerides was lower in the STZ-CKJ and STZ-DJ groups than in the STZ-C group, whereas level of serum HDL-cholesterol was higher in the STZ-CKJ and STZ-DJ groups. Levels of total serum and LDL-cholesterol were higher in the diabetic groups compared with the N group, but significantly decreased in the STZ-S, STZ-CKJ, and STZ-DJ groups compared to the STZ-C group. These results indicate that dietary supplements of soybean, $chungkukjang$ and $doenjang$ may improve blood glucose and lipid metabolism and help prevent or attenuate the progression of diabetes in STZ-induced diabetic rats.
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