Korean Journal of Poultry Science最新文献

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Effects of Dietary Bee Venom on Serum Characteristic, Antioxidant Activity and Liver Fatty Acid Composition in Broiler Chickens 饲粮中添加蜂毒对肉鸡血清特性、抗氧化活性和肝脏脂肪酸组成的影响
Korean Journal of Poultry Science Pub Date : 2019-03-01 DOI: 10.5536/KJPS.2019.46.1.39
Da-Hye Kim, S. Han, Yun-Sang Choi, H. Kang, Hong-Gu Lee, Kyung-Woo Lee
{"title":"Effects of Dietary Bee Venom on Serum Characteristic, Antioxidant\u0000 Activity and Liver Fatty Acid Composition in Broiler Chickens","authors":"Da-Hye Kim, S. Han, Yun-Sang Choi, H. Kang, Hong-Gu Lee, Kyung-Woo Lee","doi":"10.5536/KJPS.2019.46.1.39","DOIUrl":"https://doi.org/10.5536/KJPS.2019.46.1.39","url":null,"abstract":"This study was conducted to investigate the effect of dietary bee venom on serum characteristics, antioxidant activity, and hepatic fatty acid composition in broiler chickens. A group of 875 one-day-old feather-sexed male broiler chicks were randomly allocated to five treatments with seven replicates (25 birds/replicate) for three weeks. A corn-soybean meal-based diet was used as the basal diet. Five dietary treatments were compared: 1) basal diet, 2) basal diet containing 10 μg/kg of bee venom powder, 3) basal diet containing 50 μg/kg of bee venom powder, 4) basal diet containing 100 μg/kg of bee venom powder, and 5) basal diet containing 500 μg/kg of bee venom powder. At 21 days, one bird per pen was slaughtered by asphyxiation in CO2 gas, and blood was collected to measure serum characteristics and antioxidant activity. In addition, the liver was excised to measure the concentration of malondialdehyde and determine fatty acid composition. Increasing dietary bee venom in the diet failed to affect most serum parameters except for triglyceride and non-esterified fatty acids. Dietary bee venom inclusion quadratically increased the concentration of stearic acid (P<0.05), but decreased palmitoleic acid, oleic acid, linoleic acid, mono-unsaturated fatty acids, and poly-unsaturated fatty acids. Finally, dietary bee venom tended to lower hepatic malondialdehyde contents quadratically (P=0.054). In conclusion, our study revealed that dietary bee venom improved antioxidant capacity and affected fatty acid metabolism in broiler chickens. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"31 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81043873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Analysis of Transcriptional Activity and Estrogen Responsiveness of Regulatory Elements in Chicken Ovalbumin Promoter 鸡卵白蛋白启动子调控元件的转录活性及雌激素响应性分析
Korean Journal of Poultry Science Pub Date : 2019-03-01 DOI: 10.5536/KJPS.2019.46.1.17
Hyeon Yang, Kyungwoon Kim, J. Kim, J. Woo, Hwi-Cheul Lee, Hoonsung Choi, Sun Keun Jung, S. Sureshkumar, Haesun Lee, K. Oh, S. Byun
{"title":"Analysis of Transcriptional Activity and Estrogen Responsiveness of\u0000 Regulatory Elements in Chicken Ovalbumin Promoter","authors":"Hyeon Yang, Kyungwoon Kim, J. Kim, J. Woo, Hwi-Cheul Lee, Hoonsung Choi, Sun Keun Jung, S. Sureshkumar, Haesun Lee, K. Oh, S. Byun","doi":"10.5536/KJPS.2019.46.1.17","DOIUrl":"https://doi.org/10.5536/KJPS.2019.46.1.17","url":null,"abstract":"Chickens have been considered as well-defined animal bioreactor. The optimized ovalbumin promoter is essential for recombinant protein production in transgenic chicken. Here we try to compare the activity and identify the effect of estrogen on ovalbumin promoter according to each promoter length with estrogen response element (ERE) existence. We cloned two (2.8 and 5.5 kb) ovalbumin promoters that the 5.5 kb contained the ERE but the 2.8 kb did not, and these two promoters were cloned to pGL4.11 vector. Additionally, we constructed another pGL4.11 vector containing of the 4.4 kb (with ERE) ovalbumin promoter deleted with 1 kb between ERE region and the 2.8 kb promoter. For reporter assay, HeLa, MES-SA, LMH/2A, and cEF cells were transfected with all the pGL4.11 vectors. The comparative analysis showed that the mutated 4.4 kb promoter has more potent activity than the 2.8 and 5.5 kb promoters in HeLa, MES-SA, and LMH/2A cells. However, there is no significant difference in cEFs. Also, these cells transfected with the mutated 4.4 kb promoter were treated with the 17β -estradiol (0∼3,000 nM) and HeLa, MES-SA, and LMH/2A cells showed estrogen responsibilities, but cEFs did not. Besides, the mutated 4.4 kb promoter has still higher activity than the 2.8 and 5.5 kb promoter, and there is no transcriptional induction effect in 2.8 kb promoter at 500 nM estrogen that is blood concentration of laying hens. Hence our study strongly suggested that the mutated 4.4 kb promoter is considered as one of the most efficient length for generating transgenic chicken. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"34 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72862590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Perinatal Nutrition, Post-Hatch Holding Time and In ovo feeding 围产期营养、孵化后保温时间与卵内喂养
Korean Journal of Poultry Science Pub Date : 2019-03-01 DOI: 10.5536/KJPS.2019.46.1.1
Y. Moon
{"title":"Perinatal Nutrition, Post-Hatch Holding Time and In ovo feeding","authors":"Y. Moon","doi":"10.5536/KJPS.2019.46.1.1","DOIUrl":"https://doi.org/10.5536/KJPS.2019.46.1.1","url":null,"abstract":"The most important times during the development of young chicks are the days immediately prior to hatching and the days immediately after hatching, known as the perinatal period. A sufficient supply of nutrients during the perinatal period is a crucial during the late stage of embryonic development and the starvation period of the young chicks. The delayed post-hatch holding time can restrict the development of the gastrointestinal tract, reduce final body weight, impair muscle development, and change immunological capacities. These symptoms are deleterious to the development of young chicks. Therefore, the post-hatch holding time and its influence on the fitness of young chicks are major concerns to the poultry industry. The in ovo feeding is a practical technology for perinatal nutrition to optimize poultry production and for attenuating the stress experienced by fasting young chicks. This study will discuss in ovo feeding and its effect on the development of the chick embryo, the establishment of a healthy microbiota, and the improving immune response. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"25 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82508939","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Physicochemical Properties of Chicken Thigh Meat Sausage Manufactured with Red Yeast Rice Powder 红曲米粉制备鸡腿肉肠的理化特性研究
Korean Journal of Poultry Science Pub Date : 2019-03-01 DOI: 10.5536/KJPS.2019.46.1.11
J. Choe, Ji-Hyuk Kim, Bong-Ki Kim, Hee-Bok Park, Gye-Woong Kim, Hack-Youn Kim
{"title":"Physicochemical Properties of Chicken Thigh Meat Sausage\u0000 Manufactured with Red Yeast Rice Powder","authors":"J. Choe, Ji-Hyuk Kim, Bong-Ki Kim, Hee-Bok Park, Gye-Woong Kim, Hack-Youn Kim","doi":"10.5536/KJPS.2019.46.1.11","DOIUrl":"https://doi.org/10.5536/KJPS.2019.46.1.11","url":null,"abstract":"The effects of red yeast rice powder on physicochemical properties of chicken thigh meat sausage were investigated. Control sausages were prepared with 1.2% NPS (nitrite pickling salt). Others samples were prepared with 1%, 2%, and 3% red yeast rice powder and 1.2% NaCl. With increasing red yeast rice powder content, the pH of uncooked and cooked samples generally decreased. In addition, lightness, and yellowness decreased with increasing content of red yeast powder (P<0.05), whilst redness increased with increasing content of red yeast powder in sausage samples (P<0.05). In addition, the samples with red rice powder showed more than 3 times higher redness compared to samples with 1.2% NPS, regardless of addition level. No significant difference in cooking yield among the treatments. The hardness of samples increased with increasing red yeast rice powder content, while the cohesiveness of samples containing red yeast rice powder was less than those observed for the control. Consequently, red yeast rice powder can be used to improve redness in sausages without adverse effect on cooking yield. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"102 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85831158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Analysis of Marketing Performances according to Raising Environment in Broilers 肉鸡养殖环境对营销绩效的影响分析
Korean Journal of Poultry Science Pub Date : 2019-03-01 DOI: 10.5536/KJPS.2019.46.1.25
Gye-Woong Kim, Ji-Hyuk Kim, Hack-Youn Kim, Bong-Ki Kim, Hee-Bok Park, J. Choe, Jun-ho Kim
{"title":"Analysis of Marketing Performances according to Raising Environment\u0000 in Broilers","authors":"Gye-Woong Kim, Ji-Hyuk Kim, Hack-Youn Kim, Bong-Ki Kim, Hee-Bok Park, J. Choe, Jun-ho Kim","doi":"10.5536/KJPS.2019.46.1.25","DOIUrl":"https://doi.org/10.5536/KJPS.2019.46.1.25","url":null,"abstract":"This study was conducted to investigate basic data of development for appropriate management system in broiler. Data such as ages at marketing, livability, body weight, etc. were collected from a total of 53 broiler farms located in Chungnam, Chungbuk, Jeollanam, Jeollabuk, Gyeongbuk. 1. Average of ages at marketing were 32 days. Those of windowless house and open-type house were 31.96 and 32.03 days, respectively. The significant difference among four seasons was highly found (P<0.001). The longest ages at marketing were 32.86 days in winter. Average of livability was 96.25%. According to type of chick house, those of windowless house and open-type house were 95.93% and 96.59%, respectively. The livability according to season showed significant difference (P<0.05). The highest livability was 97.39% in autumn. However, the lowest livability was 95.36% in summer. 2. Average body weight at marketing was 1.62 kg. The significant difference was found in marketing weight by season (P<0.05). The heaviest body weight was 1.65 kg in winter, but the lowest weight was 1.60 kg in summer. Average of FCR was 1.62. the significant differences according to the season were highly found (P<0.01). Especially, the best FCR was 1.59 in autumn. Average cycles of marketing was 5.70. The significant differences according to farms size were found (P<0.05), cycles of small farms and big farms were 5.8 and 5.3, respectively. The ages at marketing were highly correlated with marketing weight (r=0.684) and feed conversion (r=0.439). The correlation between feed conversion and livability was highly negative (r=—0.614). According to the above result, livability and body weight at marketing were badly detected in summer. In conclusion, broiler farms should be controlled through properly environmental management system for improvement of performances. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"55 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81375686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Molecular Characterization and Expression Analysis of Clathrin-Associated Adaptor Protein 3-δ Subunit 2 (AP3S2) in Chicken 鸡网格蛋白相关接头蛋白3-δ亚基2 (AP3S2)的分子特征及表达分析
Korean Journal of Poultry Science Pub Date : 2019-03-01 DOI: 10.5536/kjps.2019.46.1.31
Jae-Don Oh, G. Bigirwa, Seokhyung Lee, K. Song
{"title":"Molecular Characterization and Expression Analysis of\u0000 Clathrin-Associated Adaptor Protein 3-δ Subunit 2 (AP3S2) in\u0000 Chicken","authors":"Jae-Don Oh, G. Bigirwa, Seokhyung Lee, K. Song","doi":"10.5536/kjps.2019.46.1.31","DOIUrl":"https://doi.org/10.5536/kjps.2019.46.1.31","url":null,"abstract":"A chicken clathrin-associated adaptor protein 3-δ subunit 2 (AP3S2) is a subunit of AP3, which is involved in cargo protein trafficking to target membrane with clathrin-coated vesicles. AP3S2 may play a role in virus entry into host cells through clathrin-dependent endocytosis. AP3S2 is also known to participate in metabolic disease developments of progressions, such as liver fibrosis with hepatitis C virus infection and type 2 diabetes mellitus. Chicken AP3S2 (chAP3S2) gene was originally identified as one of the differentially expressed genes (DEGs) in chicken kidney which was fed with different calcium doses. This study aims to characterize the molecular characteristics, gene expression patterns, and transcriptional regulation of chAP3S2 in response to the stimulation of Toll-like receptor 3 (TLR3) to understand the involvement of chAP3S2 in metabolic disease in chicken. As a result, the structure prediction of chAP3S2 gene revealed that the gene is highly conserved among AP3S2 orthologs from other species. Evolutionarily, it was suggested that chAP3S2 is relatively closely related to zebrafish, and fairly far from mammal AP3S2. The transcriptional profile revealed that chAP3S2 gene was highly expressed in chicken lung and spleen tissues, and under the stimulation of poly (I:C), the chAP3S2 expression was down-regulated in DF-1 cells (P<0.05). However, the presence of the transcriptional inhibitors, BAY 11-7085 (Bay) as an inhibitor for nuclear factor κB (NFκB) or Tanshinone IIA (Tan-II) as an inhibitor for activated protein 1 (AP-1), did not affect the expressional level of chAP3S2, suggesting that these transcription factors might be dispensable for TLR3 mediated repression. These results suggest that chAP3S2 gene may play a significant role against viral infection and be involved in TLR3 signaling pathway. Further study about the transcriptional regulation of chAP3S2 in TLR3 pathways and the mechanism of chAP3S2 upon virus entry shall be needed. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75130532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Effect of Dietary Energy Levels and Bedding Materials on Performance, Meat Quality and Foot Pad Score of Male and Female Slow-Growing Korean Meat-Type Chicken (Hanhyop 3) 饲粮能量水平和垫料对慢生长韩肉型鸡公、母生产性能、肉品质和脚垫评分的影响
Korean Journal of Poultry Science Pub Date : 2018-12-01 DOI: 10.5536/KJPS.2018.45.4.273
Jun Yeop Lee, Myung-Ho Lee, Y. Song, Jong In Lee, S. Ohh
{"title":"Effect of Dietary Energy Levels and Bedding Materials on\u0000 Performance, Meat Quality and Foot Pad Score of Male and Female Slow-Growing\u0000 Korean Meat-Type Chicken (Hanhyop 3)","authors":"Jun Yeop Lee, Myung-Ho Lee, Y. Song, Jong In Lee, S. Ohh","doi":"10.5536/KJPS.2018.45.4.273","DOIUrl":"https://doi.org/10.5536/KJPS.2018.45.4.273","url":null,"abstract":"Two diet energy levels (high or low) and two bedding material (rice husk or saw dust) treatments were designed for either male or female slow-growing Korean meat-type chicken (Hanhyop 3) to make totally eight treatments for 11∼75 d feeding trial. Body weight gain (BWG) were influenced by energy levels, sex of bird and bedding material type. There were interaction effect among those three factors. Feed intakes (FI) by male bird during each and overall periods were higher than those by female. Diet energy levels and bedding material affected the FI only during final 56∼75 d period, of which FI of high energy diet was higher in male whereas that of low energy diet was higher in female. Although feed conversion ratio (FCR) was improved by high energy diet, the better FCR has dissipated during 41∼75 d, when the most of overall BWG were achieved. Apparent total tract retention (ATTR) of nutrients were higher in male than those in female birds with exception on fat ATTR. Fat ATTR was improved when fed low energy diet regardless of the sex of birds. Both energy levels and sex of bird influenced the color of breast. Thiobarbituric acid reactive substances (TBARS) value of female thigh was higher than that of male. Levels of moisture and P in female thigh were lower although level of fat in female breast was higher than those in male, respectively. This study showed that diet energy levels for Hanhyop 3 chicken, especially during 41∼75 d, should be differently formulated between male and female bird. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81319425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Motility of Rooster Spermatozoa under Different Thawing Conditions 不同解冻条件下公鸡精子活力的研究
Korean Journal of Poultry Science Pub Date : 2018-12-01 DOI: 10.5536/KJPS.2018.45.4.237
S. Kim, Seung Rye Choe, Y. Ko, I. Jeon
{"title":"Motility of Rooster Spermatozoa under Different Thawing\u0000 Conditions","authors":"S. Kim, Seung Rye Choe, Y. Ko, I. Jeon","doi":"10.5536/KJPS.2018.45.4.237","DOIUrl":"https://doi.org/10.5536/KJPS.2018.45.4.237","url":null,"abstract":"In this study, to increase the survival rate of frozen/thaw rooster semen, standard protocols of semen thawing procedures were tested by computer-assisted sperm assay (CASA). We tested 4 different thawing protocols for frozen semen, 5°C for 2 min, 35°C for 30 s, 54°C for 13 s, and 70°C for 7 s. The pooled semen from 5 to 8 Ogye rooster line was diluted in the HS-1 diluent and frozen in 8% methylacetamide (MA) in liquid nitrogen vapors. To determine standard thawing method, straws were plunged into different temperatures and times. The resulting motilities were recorded by the CASA system. The results of this study showed that the best viability of the spermatozoa was shown by exposure at 5°C for 2 min. Moreover, the longevity test of thawed sperm at 5°C for 2 min also supported the higher viability under low temperature preservation of 17°C for 1 hr. Further research is needed to increase the motility of thawed rooster semen for field application. In addition, the in vivo tests for different rooster lines are also needed for the establishment of avian genetic resource bank. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"63 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91223694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Single Nucleotide Polymorphism of TBC1D1 Gene Association with Growth Traits and Serum Clinical-Chemical Traits in Chicken 鸡TBC1D1基因与生长性状及血清临床化学性状相关的单核苷酸多态性研究
Korean Journal of Poultry Science Pub Date : 2018-12-01 DOI: 10.5536/kjps.2018.45.4.291
P. Manjula, Sunghuyn Cho, Kook Jin Suh, D. Seo, Jun Heon Lee
{"title":"Single Nucleotide Polymorphism of TBC1D1 Gene Association with Growth\u0000 Traits and Serum Clinical-Chemical Traits in Chicken","authors":"P. Manjula, Sunghuyn Cho, Kook Jin Suh, D. Seo, Jun Heon Lee","doi":"10.5536/kjps.2018.45.4.291","DOIUrl":"https://doi.org/10.5536/kjps.2018.45.4.291","url":null,"abstract":"TBC1D1 gene has known functional effects on body energy homeostasis and glucose uptake pathway in skeletal muscle tissue. This biological function is reported to have significant effects on traits of growth and meat quality in chicken. In this study, we focused on two single nucleotide polymorphisms (SNPs) (g.70179137A>G and g.70175861T>C) identified through SNP annotation information of Korean native chicken and previous literature for TBC1D1 in chicken. Association of SNPs in TBC1D1 with growth and serum clinical-chemical traits were evaluated. A total of 584 male and female birds from five Korean native chicken lines were used in the study. The SNP1 (g.70179137A>G) is located in intron 11 and SNP2 (g.70175861T>C) is a non-synonymous missense mutation in exon 10, responsible for the amino acid change from Methionine to Valine. The A allele of SNP1 and T allele of SNP2 had the highest allele frequencies. Both SNPs indicated moderate polymorphism information content values (0.25<PIC<0.5). Association results shown that SNP1 was significantly associated with BW00, BW20, GR14-16 and carcass weight (P<0.05). The AA genotype had higher value for all these traits except BW00. Whereas, genotype GG have lower values for BW20, GR14-16, GR18-20 and carcass weight. The sGOT level was significant with SNP1 but not with the SNP2. The GG genotype had the highest sGOT value and AG reported the lowest. BW20 was significantly associated with SNP2 (P<0.05). The body weight and carcass weight values of CC and TC genotypes were higher than those of TT genotype. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75233855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A Study on the Application of ISO Standard Sampling in Grading of Chicken Meats ISO标准抽样在鸡肉分级中的应用研究
Korean Journal of Poultry Science Pub Date : 2018-12-01 DOI: 10.5536/KJPS.2018.45.4.285
Y. Hwang, Ha Sik Son, Jong Won Seung, Jong Woon Park, Won-Uk Hwang, Soo‐Ki Kim
{"title":"A Study on the Application of ISO Standard Sampling in Grading of\u0000 Chicken Meats","authors":"Y. Hwang, Ha Sik Son, Jong Won Seung, Jong Woon Park, Won-Uk Hwang, Soo‐Ki Kim","doi":"10.5536/KJPS.2018.45.4.285","DOIUrl":"https://doi.org/10.5536/KJPS.2018.45.4.285","url":null,"abstract":"This study was aimed to evaluate the possibility of application to the KS A ISO 2859-1 Easy test, an international standards sampling inspection, to replace a sampling method of the current grading standard of chicken meats for the first time. As a result of screening capability to check for defective products, the current sampling was 0.61 and the KS A ISO 2859-1 Normal test was 0.70, suggesting that the latter inspection method was more accurate. If the KS A ISO 2859-1 conversion principle is applied, 40,530 won per day is saved for a 50-lot inspection. The current sampling and the KS A ISO 2859-1 Easy test did not exceed the reject limit for the number of defective products to satisfy the grade 1 on chicken carcass size numbers 12, 9 and 8. Freshness was not significantly different between the current sampling and the KS A ISO 2859-1 Easy test. It is expected that using the KS A ISO 2859-1 Easy test with a smaller sample volume will have the same level of quality evaluation as the current sampling method while reducing costs. (","PeriodicalId":17845,"journal":{"name":"Korean Journal of Poultry Science","volume":"53 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74854190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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