Cho Jin-Ho;Han Young-Geun;Min Byoung-Joon;Chen Ying-Jie;Kim Hea-Jin;Yoo Jong-Sang;Kim Jung-Woo;Kim In-Ho
Food Science of Animal Resources
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v.25
no.4
/
pp.449-457
/
2005
This study was conducted to evaluate the effects of feeding rye silage on growth performance, blood and carcass characteristics in finishing pigs. The total of eighteen $(Landrace{\times}Yorkshire{\times}Duroc)$ pigs $(94.03\pm0.71kg)$ were used in a 28-days assay. Dietary treatments included 1) CON(commercial diet ME 3,350 kcal/kg and crude fiber $2.84\%$), 2) T1(ME 3,294kcal/kg and crude fiber $2.99\%$ diet with rye silage $1.66\%$) and 3) T2(ME 3,237kcal/kg and crude fiber $3.15\%$ with rye silage $3.32\%$). In growth performance, total feed intake, basal feed intake and average daily feed intake were significantly higher in T1 and T2 treatments than CON treatment(P<0.05). Cortisol concentration in blood of pigs fed rye silage was significantly decreased compare to pigs fed CON diet(p<0.05). In meat quality characteristics, the hunter's $L^*$ value and marbling of pork were the highest in T2 treatment among treatments (P<0.05). Fatty acid composition in lean meat, the composition of palmitic and arachidic acid were significantly Higher in CON than others(P<0.05), also, palmitoleic acid was highest in T2 treatment among treatments(P<0.05). In fats those, palmitic and arachidic acid were the highest in CON treatment than those of other treatments(P<0.05). Digestibility of dry matter and nitrogen in pigs fed T1 and T2 diets were greater than that of pigs fed CON diet(p<0.05). Propionic acid concentration of fecal was the highest in T1 treatment among treatments(P<0.05). In conclusion, feed intake, the hunter's $L^*$ value, meat color of sensory evaluation and marbling of pork were affected by $3.32\%$ rye silage feeding.
This study was conducted to investigate feeding effects of the high pressure boiled extracts (HPBE) of the Ogol chicken with herbs on glucose, hormones and immunological response (cytokine, specific antibody) of serum in the rat which fed either with normal feed (T$_1$), normal feed + herb HPBE (T$_2$), normal feed + Ogol chicken HPBE (T$_3$), normal feed + mixture of cross-bred Ogol chicken HPBE (T$_4$) hydrolyzed with Flavourzyme 0.1% for 35 days. During experimental period, there was a weak trend to have a higher glucose content for the T$_4$ group with 102.27${\pm}$5.95 mg/dL, but it was not significantly higher than other treatments. For insulin level, T$_1$ group showed numerically a slightly higher level with 6.79${\pm}$4.64 ${\mu}$IU/mL, but the difference was not significant in statistic term due likely to a large variation in comparison with other treatments. The treatments did not significantly alter testosterone level in rat plasma with 1.09, 1.46, 0.98, 1.13 ng/mL in T$_1$, T$_2$, T$_3$ and T$_4$, respectively. T$_4$ treatment increased the aldosterone level to a significantly (p<0.05) higher level (273.33 ng/dL) than other treatments. The extract treated rat showed a tendency in the cortisol level of lower levels than the control group, particularly, it was significantly (p<0.05) lower in T$_3$ group than other groups. T$_3$ and T$_4$ groups showed higher levels for interlukin-4 (IL-4) and anti-BSA IgG in immune cells and plasma. T$_2$, T$_3$ and T$_4$ treatments showed a slightly higher levels in v-interferon (INF-r) than the control, with a greater effect for T4 treatments. These results suggested that HPBE of the cross-bred Ogol chicken hydrolyzed with Flavourzyme increased immunological activity and decreased the concentration of cortisol and aldosterone hormones.
Two experiments were conducted to investigate the influence of dietary supplementation of yeast culture on the nutrient digestibility, performance and meat quality in growing-finishing pigs. Corn-soy basal diets contained 20, 18, and 16% CP and 3,265kcal/kg ME at different growth stages. One hundred and twenty pigs(8wk-old) were allocated into four supplementation levels of yest culture (0, 0.1, 0.2, 0.4%) in Expt 1. Weight gain, feed intake and feed efficiency were periodically recorded for 112 days. A metabolic feeding trial was conducted to measure the nutrient digestibility. Physical and chemical characteristics of the Longissimus Dorsi muscle(LM) from the pigs were measured at the end of experiment (Expt 2). In Expt 1, weight gain and feed efficiency were not different among the dietary treatment groups during the overall period. The digestibilities of protein and fiber were greater in 0.1% and 0.2% yeast culture-supplemented groups than in control (P<0.05). However, fat and ash digestibilities were not improved by the dietary treatment. In Expt 2, the LM protein content in 0.1% yeast culture-supplemented group, but not in 0.2% or 0.4%-supplemented group, was greater than that in the control group (P<0.05). The LM pH, purge loss, cooking loss and color were not affected by the dietary treatment. The LM shearing force was less in 0.2% yeast culture-supplemented group than in the control group (P<0.05). Other LM physicochemical properties did not differ between the dietary treatment groups. Total saturated and unsaturated fatty acids percentages and total cholesterol content of the LM did not differ across the dietary treatment groups.
Akram, M.;Park, J. H.;Ryu, M. S.;Shin, K.H.;Ryu, K. S.
Journal of Animal Science and Technology
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v.45
no.3
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pp.369-376
/
2003
This experiment was conducted to investigate the influence of different levels of metabolizable energy (ME) and crude protein (CP) on post-molt performance and egg quality of spent laying hens. Four hundred and thirty two, ISA Brown hens at sixty six weeks of age after molt induction were fed six experimental diets containing three ME (2,750, 2,800, 2,850 kcal/kg) with two CP (15, 17%) levels in a factorial design. The influence of ME and CP were evaluated on egg production, egg weight and feed intake throughout 24 weeks of production. Egg mass and feed conversion ratio (FCR) were measured during the experimental period. Haugh unit, yolk color and eggshell breaking strength were measured at 5%, 50%, peak, post peak and end stage of egg production. The hens fed 2800 kcal/kg diet along with 15% CP recorded the highest outcome of egg production (P<0.05). The egg weight has been shown to increase with hens receiving 2,800 kcal/kg ME. Daily egg mass tended to increase in hens fed with 15% CP and 2,800 kcal/kg ME. Feed intake decreased significantly with the level of ME and CP in the diet increased (P<0.05). Yolk color was improved significantly in eggs laid by the hens receiving 17% CP than 15% diet. It also tended to be higher in 17% CP with 2,800 or 2,850 kcal/kg ME diet treatments. Egg shell breaking strength increased with hens receiving diets of 15% CP and 2,800 kcal/kg. From this experiment it can be concluded that the ME level of 2,800 kcal/kg coupled with 15% CP could be used to achieve the higher egg production and better eggshell strength in induced molting hens.
This experiment was carried out to investigate the effect of dietary supplementation of complex probiotics and enzyme on air quality in finishing pig building and the performance of finishing pigs. A total 117 crossbred $[(Landrace{\times}Yorkshire){\times}Duroc]$ pigs were randomly arranged into nine groups and assigned to three treatments. Pigs were fed a basal diet supplemented with 0, 0.1% level of probiotics and 0.1% level of complex probiotics and enzyme until the market weight for 42 days of the experimental period. Ammonia and hydrogen sulfide concentrations in the finishing pig building were significantly (p<0.05) decreased by dietary supplementation of complex probiotics and enzyme compared with those of control, however, indoor carbon dioxide concentration was not affected by dietary supplementation of probiotics or complex probiotics and enzyme. Average daily feed intake and feed conversion ratio were significantly improved (p<0.05) with dietary supplementation of 0.1% complex probiotics and enzyme; however, average daily gain was not affected by dietary supplementation of probiotics or complex probiotics and enzyme. In conclusion, the results obtained from this experiment suggest that the dietary supplementation of complex probiotics and enzyme for finishing pigs may improve air quality in the finishing pig building and the performance.
Journal of the Korea Organic Resources Recycling Association
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v.21
no.1
/
pp.85-93
/
2013
The amount of salted food waste and non-salted food waste from household consisted of 4 family members was surveyed. And the feeding rate and growth rate of Eisenia fetida population upon the different food wastes such as vegetables, grains, fruits and salted food waste were investigated. Total amount of food waste from a household was 3,200g/week. i.e. 0.114kg/day/capita and non-salted food waste was 53.9% of food waste. Salt contents of vegetables, grains, fruits were 0.60, 0.36 and 0.33%, respectively, if they were assumed to have 70% water content. Salt content of salted food waste was 0.78%. Upon the non-salted vegetables and fruits, feeding rate of earthworm was high but growth rate was low. Upon the non-salted grains, feeding rate of earthworm was low but growth rate was high. Upon the food with 70% water content, earthworm could not feed and grow when salt content of food was over 0.6%, and earthworm could feed normally but showed low growth rate when salt content of food was 0.3%. These results indicated that earthworm could stabilize the non-salted food wastes with ease but could hardly stabilize the salted food wastes.
Journal of the Korea Organic Resources Recycling Association
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v.7
no.1
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pp.53-66
/
1999
Limited landfill area and finance as well as a large generation of food wastes, have called for systematic approaches towards potential cost savings. In this study, the regional management system of food wastes generated from the residential and commercial sources was considered in three cities bounded each other; Changwon, Masan, and Jinhae city. Total thirteen alternatives were established and compared by applying the WRAP (Waste Resource Allocation Program). The following results were obtained: 1. While relatively small amounts were generated from the commercial sources such as cafeteria, restaurants, and market facilities, almost 80% of food wastes were generated from the residential sources. 2. Unit costs for food waste management in three cities were different according to their present situation such as the type and location of major generation sources and treatment facilities. Especially, the highest cost appeared in Jinhae city due to the most expensive construction of coastal landfill site. 3. Considering proper revenue, the whole conversion of food waste into animal feed was selected as the optimal alternative and represented 60% to 74% of the management cost of the whole landfill alternative in all cities. Comparing the other alternatives, composting of food waste was more economical than landfill alternative and the incineration was the most expensive alternative. 4. Some of the regional management systems using common food waste processing facilities together in three cities showed to be more economical than the single management system. Therefore, more detailed research for the regional management systems of food waste was recommended.
Journal of the Korea Organic Resources Recycling Association
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v.3
no.2
/
pp.69-78
/
1995
When the food garbage of general hospital was dried by the rapid steam drying process, the water content was changed to 1.3% from 77.8~82.8%. In this experiment, weight reduction rate was 80%, and electricity consumption was 2.4Kwh. Dried compost from this rapid steam drying process was brown pellets, which was consist of 27.77% crude protein and 3.19% crude fiber. Even though these pellets were slightly short of crude fat and crude ash content, these were analysed as a possible supplementary feed for pig. On the condition of drying food garbage mixed with 5% pulverized chaff, the necessary drying time was shortened by 1 hour, weight reduction rate was 76%, and reduction rate of electricity consumption was 42%. But contents of crude fiber and crude ash were increased to about 2 times. In case of adding new food garbage continuously to the composted food garbage mixed with 3.4% pulverized chaff, weight reduction rate and contents of crude fiber and crude ash were decreased gradually, but contents of crude protein and crude fat were increased. In case of composting food garbage from buffet, both drying time and electricity consumption were reduced, and ingredients of compost were higher than that of assorted feed for pig in the market.
This study was conducted to evaluate the effects of a high protein diet containing barley on the growth performance and carcass characteristics of finishing pigs. A total of fifty six [(Landrace${\times}$Yorkshire${\times}$Duroc)] pigs (85.08 kg in average initial body weight) were used for a 6-week study. Dietary treatments included 1) Basal diet (CON) and 2) High protein diet with barley 5% (HB5). During the entire test periods, there were no significant differences in Average daily gain (ADG), Average daily feed intake (ADFI) and gain/feed ratio between treatments (p>0.05). The b value of M. logissimus dorsi muscle color was significantly increased in CON fed pigs compared to pigs fed the HB5 diet (p<0.05). The water holding capacity (WHC) was higher in HB5 than CON fed pigs (p<0.05). Also, drip loss was significantly decreased in HB5 compared to CON fed pigs (p<0.05). Backfat thickness, live weight, cold carcass weight, dressing, and carcass grade were not significantly affected by either treatment (p>0.05). In conclusion, the results of this study indicate that a high protein diet with 5% barley affects meat color, WHC and drip loss in finishing pigs.
Kim, Doo Hwan;Ha, Duck Min;Song, Jun Ik;Jeon, Jung Hwan
Journal of Animal Environmental Science
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v.18
no.3
/
pp.165-172
/
2012
This study was designed to determine the effect of different floor space and type of finishing building on performance, behaviour and carcass quality of finishing pig. Three hundred and thirty six finishing pigs were alloted into two space allowance ($1.0m^2$and $2.5m^2$/pig) and two floor type (concrete slat and bedded with sawdust) of finishing building. There was no significant difference between the different space allowance in the body gain, feed intake and feed per gain. And also floor type of finishing building was not affected by the performance of finishing pig. Space allowance per pig affected the maintenance behaviour, but there was no significant difference between the floor type of finishing building in the spent time on lying, sitting and standing. Floor type was affected by the occurrence of standing behaviour, the finishing pigs in the bedded with sawdust showed less occurrence of standing. Carcass traits did not show any significant difference due to the difference of space allowance and floor type of finishing building. There was no significant difference in the chemical compositions of pork loin between the space allowance and floor type of finishing building.
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