• 농업과학연구
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• 제42권1호
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• pp.29-35
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• 2015

This study was performed to analyze the distribution and antimicrobial resistance of pathogenic microorganisms isolated from the carcass and environments of chicken processing plant located in Gyeonggi province from October to November in 2010. Chicken slaughterhouse was visited 3 times and totally 40 samples were collected from chicken carcass before and after washing (n=14), chicken cuts (n=7), cooling water (n=8), brine (n=2), cutting knives (n=7) and working plate (n=2). Whole-chicken rinsing technique (for chicken carcasses) and swab technique (for working plate and knives) were used to analyze the distribution of pathogenic microorganisms. In addition, brine and chilling water from storage tanks were gathered using sterilized tubes and used as samples. The matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) for whole cell fingerprinting in combination with a dedicated bioinformatic software tool was used to identify the isolated microorganisms. The pathogenic microorganisms, such as Bacillus cereus (n=8) and Staphylococcus aureus (n=9), were isolated form the chicken processing process (chicken carcasses of before and after chilling, chicken cuts, and working plate). The antimicrobial susceptibility of those isolated microorganisms was analyzed using 21 antimicrobial agents. In the case of B. cereus, it showed 100% of resistance to subclasses of penicillins and peptides, and it also resistant to cephalothin, a member of critically important antimicrobials (CIA), however there was no resistance (100% susceptible) to vancomycin and chloramphenicol. S. aureus showed 100% resistance to subclasses of peptides and some of penicillins (penicillin and oxacillin), however, it showed 100% susceptibility to cephalosporins (cefazolin and cephalothin). All of the tested pathogens showed multi drug resistance (MDR) more than 4 subclasses and one of B. cereus and S. aureus showed resistance to 9 subclasses. After the ban on using the antimicrobials in animal feed in July 2011, there would be some change in microbial distribution and antimicrobial resistance, and it still has a need to be analyzed.

• Journal of Nutrition and Health
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• 제3권2호
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• pp.101-106
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• 1970

Radioactive Phosphorus $(^{32}P)$ was administered intramuscularlly to the newly hatched chicken in the purpose of determination of the uptake and the distribution, as related to sex and hour differences of the several organs of the bodies. $2\;{\mu}\;of\;^{32}P$ was administered to each chick, and the distribution of 32P was observed in 1 hour and 24 hours after administration. In this experiment 80 heads of chicken were used(40 chicken were one day and 40 chicken were 7 days old) and the results obtained as follows: 1. The tissue showed an uptake rate of $^{32}P$ dose per 100 milligram of tissue in one day old chicken, with the following sequence: Males (1 hour): Femur. Liver. G., Muscle. Testis. Brain (24 hour): Femur, Testis, Gastrocnemius Muscle, Liver, Brain. Female(1 hour): Femur, Liver, Gastronemius Muscle, Ovary, Brain. (24 hour): Femur, Liver, Gastrocnemius Muscle, Ovary, Brain. 2. In 1 hour, the uptake rate of $^{32}P$ of the tissues showed significant difference between the male and the female except the gastrocnemius muscle and the brain in one day old group, but they were no significance except the testis and ovary after 24 hours. 3. The distribution of $^{32}P$ of the tissues exhibited higher in 1 hour than in 24 hours except the femur, the brain of the male and female, the brain and gastrocnemius muscle of the female in one day old group. 4. The tissue showed an uptake rate of $^{32}P$ dose per 100 miligram of tissue in 7days old chicken, with the following sequence: Male (1 hour): femur, liver, gastrocmenius muscle, testis, brain. (24 hour): femur, testis, gastrocmenius muscle, liver, brain. Female(1 hour): femur, liver, gastrocmenius muscle, ovary, brain. (24 hour): femur, ovary, liver, gastrocmenius muscle, brain. 5. The distribution of $^{32}P$ of the tissues showed no significant difference between the male and the female except the testis and ovary after 24 hours in 7 days old chicken group. 6. The distribution of $^{32}P$ the tissues exhibited higher in 1 hour in 24 hours except the femur, the brain of the male and the female, the brain and the ovary of the female in 7 days old chicken group.

• 한국가금학회지
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• 제37권3호
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• pp.247-253
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• 2010

텔로미어(telomere)는 염색체 양 말단에 위치하는 DNA와 단백질의 복합체로서 (TTAGGG)n의 단순 반복 염기 서열로 이루어져 있다. 그러나 일부 조류 및 척추동물의 경우 염색체의 양 말단 부위외 간질적 위치에도 telomeric DNA sequence가 분포한다. 본 연구는 닭 염색체에 있어 telomeric DNA의 분포 양상을 제시하고자 한국 재래닭의 초기 배아로부터 염색체 표본을 제작하고, telomeric DNA probe를 이용한 FISH를 수행하여 염색체 상 텔로미어의 분포 양상을 분석하였다. 분석 결과, 닭의 모든 염색체 양 말단부에 텔로미어가 분포하는 것으로 나타났으며, 더불어 대형 염색체 중 1번의 1q32, 1p11, 1p23 위치와 2번 염색체의 2q24 및 3번 염색체 3q32에 interstitial telomeric signal(ITS)이 존재하는 것이 확인되었다. 이러한 한국 재래닭 염색체의 텔로미어 분포 양상은 이전 Gallus domesticus에서 발표한 분포 양상과 거의 일치한 것으로 나타났다. 한국 재래닭의 각 염색체별 텔로미어 함유율은 4.6~16.3% 정도로 분석되었으며, 거의 대부분의 염색체에서 단완 말단부의 telomeric DNA의 함량이 장완 말단부보다 높은 것으로 나타났다. 닭 염색체에서 ITS의 존재와 분포 양상은 핵형학적으로 진화 과정 중 염색체 간의 융합에 의해 신생 염색체가 형성되었을 가능성을 시사한다.

• 산경연구논집
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• 제10권4호
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• pp.43-56
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• 2019

Purpose - The purpose of this study is to classify the quality factors of chicken restaurant customers with the service quality based on the SERVQUAL, the quality factors based on the selection attributes and service qualities of chicken restaurants used in the previous studies. Research design, data, and methodology - This survey was carried out on the students of Kangwon University in Samchuk City, Kangwon Province from November 20 - November 30, 2017, and a total of 260 questionnaires were distributed, with 222 collected. Of them, effective questionnaires applied in the final study were a total of 193 except 29 that couldn't be used. Results - The findings of this study are as follows: Firstly, chicken restaurants' quality factors were divided into seven categories like cleanliness, service encounter quality, product quality, aesthetics, overall interior, purchase quality, and convenience. Secondly, it showed that service encounter quality, purchase quality, and cleanliness had a positive impact on customer satisfaction, respectively. Thirdly, it showed that service encounter quality, purchase quality, and cleanliness had a positive impact on trust, respectively. Fourthly, it showed that customer satisfaction had a positive impact on behavioral intention. Additionally, it suggested that customer satisfaction of chicken restaurant consumers had a positive impact on behavioral intention and thereby, higher customer satisfaction leads to higher levels of reuse and recommendation intention. Lastly, after checking the effect relations of trust between customer satisfaction about chicken restaurant and behavioral intention, it was analyzed that customer satisfaction has a positive impact on trust and trust has a positive impact on behavioral intention. On the other hand, it showed that trust have a partially mediating effect in the relations between customer satisfaction and behavioral intention. But, it showed that product quality, aesthetics, overall interior, purchase quality, and convenience did not have a positive impact on customer satisfaction. Conclusions - Chicken restaurant consumers put more priority on friendly and good services of chicken restaurant staff in service encounter and delivery order, rather than on reasonable price and discount systems. Thereby, chicken restaurant marketers need to take factors like service encounter quality, cleanliness into more consideration.

• 대한방사선기술학회지:방사선기술과학
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• 제4권1호
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• pp.73-80
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• 1981

Radioactive phosphorus(P-32) was injected to the chicken in the purpose of determination of the uptake and distribution, as related to sex and hour differences of the various organs of the body. $2{\mu}Ci$ of P-32 were injected to each chicken and the distribution of P-32 was observed at 1 hr, 6 hrs, 12 hrs, 24 hrs and 48 hrs after injection. In this experiment 34 heads of chicken were used(30 chicken for P-32, 4 chicken for control group) and the results obtained as follows: 1. The uptake of P-32 per gram of various organ in g. mm, femur(1 hr), liver, femur, tibia(24 hrs) and tibia(48 hrs) exhibited higher in the male than the female. 2. The uptake of P-32 per gram of various organ in heart, kidney, ovary(1 hr), kidney, brain(24 hrs) and kidney(48 hrs)exhibited higher in the female than the male. 3. The uptake ratio of brain, spleen, g. mm and tibia were increased gradually by the 12 hrs after injection of P-32, but decreased in liver, heart and kidney by the 24 hrs. 4. The uptake ratio of the femur was increased gradually by the 24 hrs, but testis and ovary was increased after 24 hrs. 5. The organs showed an uptake of P-32 per gram of various organ, with the following sequence : femur, tibia, testis or ovary, spleen, liver, kidney, heart, g. mm and brain.

• 수산해양기술연구
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• 제56권3호
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• pp.202-212
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• 2020

In order to replace sardine baits for octopus pot, an efficacy experiment to lure with alternative bait (fermented skate or chicken skin in artificial crab or northern clam) pots and sardine pot were conducted in a circular water tank. The soaking time of the sardine bait was divided into two categories: six days or less and seven days or more. The behavioral response of octopus to the artificial bait pots and sardine pot were investigated. In the comparison of the luring effects between pots with fermented skate inside artificial crab or northern clam and sardine pot, the pot with artificial crab + fermented skate had better results than the other pots in the section distribution (31.6%) and the number of times the pot was entered into (20.0%) (p > 0.05). In the comparison of the luring effects between pots with chicken skin inside artificial crab or northern clam and sardine pot, the pot with northern clam + chicken skin had better results than the other pots in the section distribution (22.6%) and number of times the pot was entered into (55.6%) (p < 0.05). The results were also better compared to those of pot with artificial crab + fermented skate. From these results, it seems that in the luring effect aspect, sardine bait can be replaced with artificial bait consisting of chicken skin inside northern clam.

• 한국가금학회:학술대회논문집
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• 한국가금학회 2001년도 제18차 정기총회 및 학술발표 PROCEEDINGS
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• pp.69-70
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• 2001

Lectins have great potential as to determine the alternation of the distribution of cell surface carbohydrates during cellular development and differentiation. Here, we investigated the presence and distribution of cell surface carbohydrates on chicken primordial germ cells (PGCs) during the migration and gonadal stages using a variety of lectins. A total of six FITC-labelled lectins from several specificity classes were used: ConA (glucose/mannose), WGA (N-acetylglucosamine), STA (N-acetylglucosamine), DBA (N-acetylgalactosamine/galactose), UEA-I (fucose) and PHA-E (oilgosaccharide). As a results, PGC-specific binding was observed in STA. PGCs of migration stage (2.5- and 5.5-day embyos) were STA-positive whereas PGCs of 10-day embryonic gonad were not. The results suggest that N-acetylglucosamine residuse are present specifically in migrating chicken PGCs and changes during development.

• Asian-Australasian Journal of Animal Sciences
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• 제8권2호
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• pp.151-158
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• 1995

A study was carried out to investigate the effect of palm oil supplementation on the growth, carcass composition and fatty acid distributions of the broilers fed isonitrogenous and isocaloric diets. This study showed that palm oil supplementation increased feed consumption, weight gain and nitrogen intake. Feed conversion improved at higher fat inclusions, but not significant. Male birds consumed significantly more feed than females resulting in significant increase in energy consumption and weight gain. Increaseing fat content in the ME:P constant diet did not produce significant difference in the fat content of the chicken. Fatty acids content of the diet exert varying effects of the composition and distribution of fatty acids in muscles of the chicken. The fatty acids found in larger amount in the breast and thigh muscles were palmitic, oleic and linoleic. The fatty acids of the breast and thigh muscles were found to correspond the fatty acids of the diets. There were no differences in the fatty acids distribution patterns between the sexes.

• 대한기계학회논문집B
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• 제30권11호
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• pp.1027-1034
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• 2006

In order to investigate flow characteristics of chicken blood in a micro tube of 100$\mu$m in diameter, in-vitro experiments were carried out using a micro-PIV technique. The micro-PIV system consists of a microscope, 2-head Nd:YAG laser, 12 bit cooled CCD camera and a delay generator. Chicken blood with 40% hematocrit was supplied into a micro tube using a syringe pump. The blood flow shows clearly the cell free layer near the tube wall and its thickness is increased with increasing the flow speed. The hemorheological characteristics of chicken blood, including shear rate and shear stress were estimated from the PIV velocity field data obtained. Since the aggregation index of chicken blood is less than 50% of human blood, non-Newtonian flow characteristics of chicken blood are smaller than those of human blood. As the flow rate increases, the degree of flatness in the velocity profile at the center region is decreased and the parabola-shaped shear stress distribution becomes to have a linear profile. Under the same flow rate, chicken blood shows higher shear stress, compared with human blood.

• 대한수의사회지
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• 제7권1호
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• pp.74-77
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• 1963

The histological and cytological characteristics of pancreatic islets of chickens were studied along with the distribution and size of islets and weight of chicken pancreas versus body weight. The following is a summarg of the present work. 1. The weight