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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of Animal Science and Technology
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Journal DOI :
Korean Society of Animal Science and Technology
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Volume & Issues
Volume 47, Issue 6 - Dec 2005
Volume 47, Issue 5 - Oct 2005
Volume 47, Issue 4 - Aug 2005
Volume 47, Issue 3 - Jun 2005
Volume 47, Issue 2 - Apr 2005
Volume 47, Issue 1 - Feb 2005
Selecting the target year
Detection of Novel Mutations in the FABP3 Promoter Region and Association Analysis with Intramuscular Fat Content in Pigs
Kim, J.H. ; Park, E.W. ; Park, J.J. ; Choi, B.W. ; Kim, T.H. ; Seo, B.Y. ; Cheong, I.C. ; Lim, H.T. ; Oh, S.J. ; Lee, J.G. ; Jeon, J.T. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 1~10
DOI : 10.5187/JAST.2005.47.1.001
Intramuscular fat content(lMF) is considered as one of major economic traits in the pig breeding and industry. In general, high IMF results in better meat quality. Several approaches to detect quantitative trait 10ci( QTL) for IMF indicated a strong possibility of the existence of a QTL related to IMF between the microsatellite marker SW71 and SW1881 on SSC6q. Porcine FABP3 has been considered as a candidate gene affecting IMF due to its physiological roles and position on the pig genome. Two novel mutations, g.-114T> C and g.-158T>G were detected by duplicate sequencing of the porcine FABP3 promoter region. These two mutations were identified as absolute linkage disequilibrium. The g.-158T> G mutation was used for investigating relationships with growth and fat deposition traits. The GG genotype of the g.-158T> G polymorphism showed highly negative effects(P< 0.01) on body weights at 3 and 12 weeks of age, and a positive effect(P< 0.05) on IMF. However, backfat thickness(BF) and carcass fat(CF) content were not significantly associated with the genotype. The result indicates that the novel mutations, identified in this study, could be utilized as possible genetic markers to improve IMF, independent with BF.
Comparison of Milk Composition and Blood Metabolites Between High and Low Milk Producing Cows
Ahn, B.S. ; Kwon, E.G. ; Suh, G.H. ; Lee, H.J. ; Park, B.K. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 11~18
DOI : 10.5187/JAST.2005.47.1.011
The objective of this study was to estimate the effects of daily milk yield, somatic cell count(SCC), days in milk(DIM), and parity on the compositions of milk and blood in high or low producing dairy cows. To divide the high or low producing group, there were some restrictions in this study. 235 Holstein dairy cows had a average daily milk yield of 23.2
6.8 kg were grouped into two classes with low producing(average daily milk 17kg) or high producing(average daily milk 29 kg). The other restrictions were two parities(first and second parity), two SCC groups(under
celis/ml), and three DIM groups(under 80, 81 to 180, and 181 to 305DIM). The blood urea nitrogen(BUN), milk urea nitrogen(MUN) and glucose between two group with high and low somatic cell count were not affected by parity, DIM and SCC. But there were significantly different on BUN and glucose between high and low milk producing(p< 0.01), also was different on glucose between parities(p < 0.05). White blood cell(WBC) and lymphocyte were affected(p< 0.05) by SCC level, protein percent was also affected by DIM(p< 0.01). The least square means of protein in second parity was a 1.3 times higher than that in first parity(p < 0.05), and it showed a higher level in the low producing group than the high producing group(p < 0.0l). WBC and lymphocyte were lower in the
celis/ml than those under
celis/ml(p< 0.05). Neutrophil was a higher level in first parity than that in second parity(p < 0.05). Only protein and total solid were affected by parity, the other compositions were not affected by parity, DIM, SCC and milk yields. The results suggested that significant differences were in the blood components such as glucose, WBC, lymphocyte and neutrophil between high and low producing cows. The results also show that more studies are required to clarify the factors and markers related to milk yield, quality and mastitis.
Studies on the Development and Utilization of Polyclonal Antibodies Against Swine Adipocyte Plasma Membrane Proteins
Baek, K.H. ; Kwak, T.H. ; Oh, Y.S. ; Choi, C.W. ; Jung, K.K. ; Choi, Chang-Bon ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 19~28
DOI : 10.5187/JAST.2005.47.1.019
The objectives of the current study were to develop polyclonal antibodies in sheep against adipocyte plasma membrane(APM) proteins isolated from swine, to investigate tissue specificity, and to determine cytotoxic effects of antiserum on swine adipocytes. Plasma membrane proteins from adipocyte, brain, heart, kidney, liver, and spleen were isolated using a 32% sucrose gradient. Adult male sheep was immunized three times at three week interval with the purified swine APM proteins. Antiserum was taken from immunized sheep at 10, 12, and 14 days after the third immunization. Antiserum expressed strong reactivity with APM proteins determined by enzyme-linked immunosorbent assay(ELISA), and the reactivity could be detected at dilutions in excess of 1 : 81,000. Antiserum showed very low binding affinity with proteins isolated from brain, heart, kidney, liver, or spleen. Tissue specificity of the antiserum was reconfirmed by Western immunoblotting using anti-sheep immunoglobulin G•alkalinephosphatase conjugate as a secondary antibody. The reactivity of antiserum to the external surface of fixed swine adipocytes was confmned by an immunohistochemical technique using anti-sheep immunoglobulin G-FITC. Confluent swine adipocytes in culture were lysed by antiserum treatment and cytosolie lactate dehydrogenase(LDH) was released as a dose-dependent patterns while adipocytes treated with normal sheep serum maintained their integrity and expressed low level of LDH. These results implicate that fat contents in the pigs can be reduced by immunological methods.
Effect of Dietary Brown Seaweed Levels on the Antioxidant System in Broiler Chicks Activated Innate Immune Response
Lee, H.J. ; Park, I.K. ; Im, J.T. ; Choi, D.Y. ; Choi, C.J. ; Choi, J.B. ; Lee, H.G. ; Choi, Y.J. ; Koh, T.S. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 29~38
DOI : 10.5187/JAST.2005.47.1.029
Effect of dietary brown seaweed(Undaria pinnatifida) levels on the anti-oxidant enzyme system was evaluated in blood of broiler chicks activated innate immune response. Day-old broiler chicks were fed diets containing 0.0(basal), 1.0, 2.0 and 4.0 % of brown seaweed for 4 weeks. The innate immune response was activated by injecting Salmonella typhymurium lipopolysaccharide(LPS) i.p. at 8, 10 and 12 day of age. The activation of innate immune response enhanced(p< 0.01) and the brown seaweed 1.0 and 2.0 % diets reduced(P< 0.05) the superoxide dismutase(SOD) activity in erythrocyte cytosol significantly. The activation of innate immune response elevated significantly the levels of peroxide and the activity of peroxidase in plasma, while the levels of dietary brown seaweed resulted in a significant linear increase in peroxidase activity in plasma of normal bird. Experience of the innate immune response in 4 week-old chicks reduced linearly the plasma level of peroxide with the level of brown seaweed and enhanced the plasma peroxidase activity. Also, the plasma of normal birds fed the brown seaweed showed higher level of peroxide and lower activity of peroxidase. The results indicated that dietary brown seaweed affected SOD and peroxidase activities in blood of broiler chicks during activation of innate immune response.
Changes of Qualities in Vacuum Packed Fermented Pork Using a Korean Traditional Sensoning During Storage
Jin, S.K. ; Kim, I.S. ; Hah, K.H. ; Hur, S.J. ; Park, K.H. ; Lyou, H.J. ; Bae, D.S. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 39~48
DOI : 10.5187/JAST.2005.47.1.039
Outside muscle of pork ham were cut to cube(7
2 ern) and three Korea traditional seasonings such as soybean paste(Tl), garlic paste(T2), red pepper paste(T3) were seasoned by the proportions of meat to seasonings(1 : 1), respectively. The seasoned samples were fermented by fill into plastic box at 0
for 10 days. And then, the fermented meat from each pack was vacuum-packaged and stored at 0
for up to 9 weeks. pH and shear force were decreased during storage periods in all treatment groups and WHC was decreased with storage in T2. The saccarinity of T1 was increased and salinity increased during storage in all treatment groups. pH of T2 was increased than that of other treatments, while decreased saccarinity and shear force of in T2. The salinity were higher in the order of T1 > T2 > T3. Volatile basic nitrogen (VBN) value were increased with storage in all treatment groups. Thiobarbituric acid reactive substances (TSARS) value of Tl was increased with storage while it was decreased T2. Thiobarbituric acid reactive substances(TSARS) value was higher in the order of T1 > T3 > T2 at 9weeks of storage. Surface meat L' values of T1 was increased with storage and T3 decreased with storage whereas, surface meat a' values of T1 was decreased with storage, and T2 was increased with storage. Surface meat b' values of T3 was decreased with storage. Escherichia coli were decreased during storage periods in all treatment groups.
Physical and Sensory Characteristics of Korean Style Meat Products
Kim, I.S. ; Jin, S.K. ; Hah, K.H. ; Lyou, H.J. ; Park, K.H. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 49~56
DOI : 10.5187/JAST.2005.47.1.049
The Korean styled meat products such as grilled and/or roasted ham(Jikhwagui: J), Bulgogi ham(B), Kimbab ham(K) and sliced roasted ham(DDukgalbi: D) were obtained from different Korean meat processing companies and investigated for their salinity, saccharinity, pH, moisture and fat content, meat color and sensory evaluation. The results obtained were as follows; Percentage of saccharinity in J, B, K and D ranged 7.5 %(13) - 12.7% (J2), 5.3 0/«B2) -7.5 o/«BI), 5.2 0/«K4) - 6.6 o/«KI, K2, KS), and 6.60/«04) - 14.4o/«Dl), respectively. Percentage of salinity in J, B, K and D ranged 2.260/«13)- 2.38 0/«J4), 1.850/«B2) - 2.45 0/«B3), 1.94o/«KI) - 2.40% (K3), and 1.830/«02) - 2.19 o/«Dl), respectively. The pH value of J, B and K were ranged 6.30 - 6.44, 6.266.37 and 6.20 - 6.42, respectively, which are slightly higher than that of D(5.86 - 6.25). Content of average moisture were higher in B(61.0 %), K(59.94%) and J(59.63%) compared to the D(55.93%). In crude fat, B and D were ranged 14-21 %, which are very lower than those of K(59.94%) and J(59.63%). In meat color,
value were above 50.0, except D2 and D3.
value of B were slightly higher than those of other meat products. Compared to sensory evaluation, the overall acceptability of J is excellent in the range of saccharinity 12.7%, salinity 2.3 %, moisture 61 %, crude fat II - 12%,
value 52 - 54, and
value 12.3- 12.7. In the case of B, the overall acceptability is excellent in the range of saccharinity 6.6 - 7.5 %, salinity 1.90- 2.45 %, moisture 60 %, crude fat 15 %,
value 56, and
value 15. In the case of K, the overall acceptability is excellent in the range of saccharinity 6.5 %, salinity 2.4 %, moisture 61 %, crude fat 16%,
value 53, and
valuce 15. In the case of D, the overall acceptability is excellent in the range of saccharinity 14.0%, salinity 2.1 %, moisture 55%, crude fat 55%,
value 50, and
Interaction between Nutrient Density Diets and Sex on Carcass and Quality Characteristics in Finishing Pigs
Ha, Y.J. ; Lee, J.I. ; Lee, J.Y. ; Lee, J.W. ; Jung, J.D. ; Kwack, S.J. ; Song, Y.M. ; Do, C.H. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 57~72
DOI : 10.5187/JAST.2005.47.1.057
The present study was undertaken to investigate the effects of nutrient density diets and sex on carcass and pork quality characteristics in finishing pigs. A total of 96 pigs(58.04
6.85 kg) were divided into 2 groups(gilts and barrows), each sex group was assigned to 3 nutrient density(high : 18.5%, middle : 16.0% and low: 14.0% CP, respectively) and raised up to 1l0kg live weight. Each treatment had four replicates with three or five pigs per replicate. The treatments comprised the feeding regimes of 1) the low density diet for 60 days, 2) the middle nutrient density diet for the 30 days followed by a low nutrient density diet for the remaining 30 days and 3) the high nutrient density diet for the 30 days followed by a middle nutrient density diet for the remaining 30 days. Pigs were conventionally slaughtered, and then chilled overnight. Carcass characteristics and grades were determined on those carcasses, and pork loin muscle was removed from each left side at 5th to 13th rib for quality evaluation were evaluated. There were no differences in the carcass weight between sex and nutrient density. Dressing percent of L-L(gilts) treatment was significantly higher than that of other treatments(P< 0.05). Barrows showed a thicker back fat thickness than gilts. There were no difference in intramuscular fat, subcutaneous fat and springiness between sex and nutrient density. Intermuscular fat of barrows groups was significantly higher than the gilts groups(P < 0.05). In the meat quality characteristics, there were no difference in general composition, meat and fat color between sex and nutrient density. pH of L-L(gilts) treatment was significantly higher than that of other treatments(P < 0.05). Cooking loss and shear force value of H-M(barrows) treatment were significantly higher than those of other treatments(P< 0.05). Purge loss of barrows groups was significantly higher than the gilts groups(P < 0.05). Myoglobin content of H-M treatment was significantly lower than L-L and M-L treatments(P< 0.05). Texture of H-M treatment was higher than L-L and M-L treatments. The content of myristic, palmitic, palmitoleic and oleic acid were significantly higher in the barrows groups(P< 0.05). However, stearic, linoleic and arachidonic acid were significantly higher in the gilts(P < 0.05). Amino acid content of L-L treatment was significantly higher than M-L and H-M treatments(P < 0.05). In conclusion, carcass and pork quality characteristics were affected by sex and nutrient density.
Changes of Qualities in Aerobic Packed Ripening Pork Using a Korea Traditional Seasoning During Storage
Jin, S.K. ; Kim, I.S. ; Hah, K.H. ; Hur, S.J. ; Lyou, H.J. ; Park, K.H. ; Bae, D.S. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 73~82
DOI : 10.5187/JAST.2005.47.1.073
This study was carried out to evaluate changes in the characteristics of the fermented pork using a Korean traditional seasonings. Biceps femoris were cut to cube(7
2 em) and three Korean traditional seasonings such as soybean paste(Tl), garlic paste(T2), red pepper paste(T3), were seasoned by the proportions of meat to each seasonings(l: 1), respectively. The seasoned samples were fermented at 0
for 10 days. Sensory evaluation did not significantly differ between all treatments. The highest pH among treatments were shown in T2, wheres T3 showed the lowest value. The highest saccarinity was shown in T2, followed by T3. Salinity was shown to be higher in all treatments. Shear force value was the highest in T2 and T3. VBN and TBARS increased during storage. The total bacterial counts was highest of storage 21 days. E. coli. was higher in the order of T2 > T3 > TI. Lactobacilli spp. was higher in the order of T2 > T1 > T3.
Separation and Purification of Angiotensin Converting Enzyme Inhibitory Peptides derived from Goat's Milk Whey Hydrolysates
Lee, K.J. ; Kim, S.B. ; Ryu, J.S. ; Shin, H.S. ; Lim, J.W. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 83~90
DOI : 10.5187/JAST.2005.47.1.083
ACE-inhibitory peptides derived from goat's whey hydrolyzed by various proteolytic enzymes were separated and purified for antihypertension materials. The highest ACE-inhibitory activity of goat's whey hydrolysates was 85.5 % by pepsin for 72 hrs. Also the highest ACE-inhibitory activity of goat's whey hydrolysates was F-4 by pepsin for 72 hrs by Sephadex G-25 gel chromatograms. F-4e and F-4ed from F-4 by RP-HPLC to first and second purification were the highest in ACE-inhibitory activity, respectively. The most abundant amino acid was leucine(I 8.54 %) in F-4ed of ACE-inhibitory peptides after second purification. Amino acid sequence of F-4ed of ACE-inhibitory peptides showed Leu-Lys-Asp-Tyr-Gly-GlyVal- Ser-Leu and Leu-Gly-Asp-Gly-Ala-Gly- Asp-Val-Ala-Phe.
calibrated in peptic hydrolysates(72 hrs), F-4, F-4e and F-4ed from goat's whey hydrolysates by pepsin for 72 hrs were 33.93, 28.75, 11.74 and 1.09 mg/ml, respectively. From the results of this experiment, goat's whey hydrolysate by pepsin was shown to have ACE-inhibitory activity.
Comparison of Meat Quality and Physicochemical Characteristics of Pork between Korean Native Black Pigs (KNBP) and Landrace by Market Weight
Park, J.C. ; Kim, Y.H. ; Jung, Hyun-Jung ; Park, B.Y. ; Lee, J.I. ; Moon, H.K. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 91~98
DOI : 10.5187/JAST.2005.47.1.091
Results of meat quality, physicochemical characteristics, fatty acid and amino acid composition of the Korean Native Black Pig(70 and 90 kg of slaughter weight; KNBP) versus Landrace(110kg of slaughter) are as below. Compared with Landrace, the KNBP exhibited a greater lean meat yield, with no difference in backfat thickness between Landrace and KNBP. There were no difference in chemical composition between Landrace and KNBP, but pH, and cooking loss in the KNBP were superior value than those of the Landrace. These results, KNBP were affected in sensory property and cooking yield. Amino acid content of KNBP and Landrace were significant differences between Landrace and KNBP. Except for the methionine, essential amino acid contents of KNBP had significantly higher than those of Landrace. In the change of fatty acid composition, the Landrace had significantly higher percentages of palmitic(l6: 0), stearic(18: 0) and linolenic(18: 3) acids than that of KNBP, but linoleic acid(l8: 2) was decreased.
Effects of Addition of Citron Peel Powder on the Proximate Composition, Minerals, Vitamin A, C content and Fatty Acid Composition of Emulsion-type Sausage
Lee, Jae-Ryong ; Jung, J.D. ; Hah, Y.J. ; Lee, J.W. ; Lee, J.I. ; Lee, J.D. ; Park, G.B. ; Kwck, S.J. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 99~106
DOI : 10.5187/JAST.2005.47.1.099
This study was carried out to investigate the effects of addition of citron peel powder(OJ 0/0, 0.60/0, 0.9 %) on proximate composition, minerals, vitamin A, C content and fatty acid composition of emulsion-type sausages. The moisture content of sausage containing 0.3% citron peel powder were significantly(P< 0.05) higher compared to those for control. The crude fat content of sausage containing citron peel powder were significantly( P< 0.05) lower compared to those for control. The crude ash content of sausage containing 0.9% citron peel powder were significantly(P< 0.05) higher compared to those for control. The minerals, vitamin A and C content of sausage containing citron peel powder were significantly(P < 0.05) higher compared to those for control. The palmitic acid(CI6: 0) and linoleic acid(CI8: 2) content of sausage containing citron peel powder were higher compared to those for control, but the palmitoleic acid(CI6: I) content of sausage containing 0.9% citron peel powder were lower. The total saturated fatty acid content of sausage containing 0.3% citron peel powder were significantly(P < 0.05) lower compared to those for control.
Analysis of Airflow Characteristics in an Enclosed Nursery Pig House
Song, Jun-Ik ; Choi, H.L. ; Yang, C.B. ; Kim, H.T. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 107~114
DOI : 10.5187/JAST.2005.47.1.107
Experiments were carried out to evaluate the air speed distribution of an enclosed nursery pig bay in summer and winter. The data taken by experiments were compared to validate with the calculated air speeds by a commercial CFD code, FLUENT. Air basically enters into the bay through perforated circular ducts overhanged on the ceiling, leaves through a exhaust fan attached on the end-wall of the bay. Air speeds were measured as 2
2.5 mls at the perforated holes in the duct in winter and 7 mls in summer. The validation showed that a CFD simulaton is one of feasible methods to predict airspeed distribution in the nursery pig bay.
A Proposal for Promotion of Research Activities by Analysis of KOSEF's Basic Research Supports in Animal Resources Science Field
Min, T.S. ; Park, S.H. ; Kim, S.Y. ; Kim, Y.Y. ; Lee, H.T. ; Han, In-K. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 115~132
DOI : 10.5187/JAST.2005.47.1.115
This research was conducted to make suggestions for the promotion of research activities in the field of animal resources sciences, and we evaluated the research funding trend and the present status of research funding offered by KOSEF in this field. Comparative portion of the number of research projects and grants in this field to other fields has a tendency to be decreased year by year except recent few years. Researchers in this field have received more research funding from the group-based program than from the individual-based program. Also, they have received less money(per project) than did researchers in the fields of general agricultural sciences and other science and technology. Researchers in this field ranges from 43 to 51 years of age and showed 48 years of average age. It was found that researchers who has been funded in the field of animal resources sciences have showed tendency of publication of more articles to SCI journals in recent 5 years. The strong points of the animal resources of agricultural sciences field in South Korea include: lots of researchers, the establishment of research infra-structure, the excellence in research competitiveness and technology level. However, its weaknesses are: a lack of leadership in relevant societies and institutes, a predicted shortfall of researchers in the next generation and insufficient research productivity. The opportunities include: increasing the importance of the biotechnology industry, activating international cooperation researches and exploring the multitude of possible research areas to be studied. However, some concerns still exist, such as threats from developed countries for the government to open the agricultural market, the reduction of the number of full-time farms and intensification of needs for economic and social effects. The diverse actions and systems based upon the strongpoint, weakness, opportunity and threats above-mentioned are required to encourage research activities in the field of animal resources of agricultural sciences in Korea In addition, researchers in this fields would make an effort to keep pace with international society as well as domestic demands.
Comparative Analysis for General and Estrus-related Vocalizations in Sows
Jeon, J.H. ; Yeon, S.C. ; Chang, H.H. ;
Journal of Animal Science and Technology, volume 47, issue 1, 2005, Pages 133~140
DOI : 10.5187/JAST.2005.47.1.133
The aim of this study was to divide vocalizations of sows into general(GVs) and estrus-related vocalizations( EVs) and to find out their phonetic characteristics. Ten sows(Landrace) were recorded using digital video recorders twice daily(06: 00 - 08 : 00h and 17: 00 - 19 : 00h) during the anestrus and estrus periods. The GVs and EVs were divided based on the shapes of spectrum and spectrogram. The GVs and EVs were identified as 5 and 3 types, respectively. Pitch, formant I, formant 2, and formant 3 between GVs and EVs were not significantly different(P> 0.05), whereas intensity(P < 0.001), duration(P < 0.05), and formant 4(P < 0.01) were significantly different. Three parameter groups(Group I : Formant vector alone, Group II: Formant veetor+ parameters from time signal, Group III: Formant vector+parameters from time signal-parameters eliminated by stepwise discriminant analysis backward) were compared by discriminant function analysis. The classification system adopted in the Group II represented the higher discrimination rate than those in other groups(Group I : 76.1 0/0, Group II : 88.1 0/0, Group Ill: 87.3 %). These results suggest that EVs are present and intensity, formant 2, and formant 4 are available parameters for discrimination of EVs in sows.