Current Issue
December, 2021

  • Vol. 48 No. 4
ANIMAL
  • Influence of the supplementation of Achyranthes japonica extracts on the growth performance, nutrient digestibility, gas emission, fecal microbial, and meat quality traits of finishing pigs with different nutrition concentrations in the diet

    Thamaraikannan Mohankumar, Jae Hong Park, Seyoung Mun, In Ho Kim


    The present study was conducted to investigate the effects of the supplementation of Achyranthes japonica extract (AJE) on overall performance levels ... ...

  • Effects of rumen-protected amino acid prototypes on rumen fermentation characteristics in vitro

    Gyeongjin Kim, Tabita Dameria Marbun, Jinhyun Park, Sang Moo Lee, Hong Gu Lee, Jun Ok Moon, Jin Seung Park, Eun Joong Kim


    This study was conducted to evaluate the effects of rumen-protected amino acid (RPAA) prototypes, which were chemically synthesized, on in vitro rumen ... ...

  • A study of the genomic estimated breeding value and accuracy using genotypes in Hanwoo steer (Korean cattle)

    Eun Ho Kim, Du Won Sun, Ho Chan Kang, Ji Yeong Kim, Cheol Hyun Myung, Doo Ho Lee, Seung Hwan Lee, Hyun Tae Lim


    The estimated breeding value (EBV) and accuracy of Hanwoo steer (Korean cattle) is an indicator that can predict the slaughter time in the future and carcass ... ...

  • Genetic diversity and relationship analyses of the Korea native black goat line using microsatellite markers

    Ho-Chan Kang, Kwan-Woo Kim, Eun-Ho Kim, Cheol-Hyun Myung, Jung-Gyu Lee, Hyun-Tae Lim


    The aim of this study was to analyze the genetic diversity and distance of the Korean native black goat line. Thus far, this Korean native black goat line has ... ...

ENGINEERING
  • Construction and basic performance test of an ICT-based irrigation monitoring system for rice cultivation in UAE desert soil

    Mohammod Ali, Md Nasim Reza, Shafik Kiraga, Md Nafiul Islam, Milon Chowdhury, Jae-Hyeok Jeong, Sun-Ok Chung


    An irrigation monitoring system is an efficient approach to save water and to provide effective irrigation scheduling for rice cultivation in desert ... ...

ANIMAL
  • Determination of mixed or gender-separated feeding on the growth performance of Korean native chickens when compared with white semi-broilers and commercial broilers at 35 days after hatching

    Myunghwan Yu, Jun Seon Hong, Yu Bin Kim, Shan Randima Nawarathne, Oketch Elijah Ogola, Jung Min Heo, Young-Joo Yi


    This study was conducted to evaluate the effects of mixed and separate gender feeding on the growth performance and carcass traits of Korean native ... ...

PLANT&FOREST
  • A study of the improvement of the national technical qualification practical evaluation method for National Competency Standards in the seed and horticulture industry

    Hyun-Ho Jang, Taek-Keun Oh, Jwakyung Sun


    The purpose of this study was to suggest an improvement plan ultimately to develop practical evaluation methods for national technical qualifications ... ...

ENGINEERING
  • Analysis of the electrical properties of pork to discriminate between fresh and frozen/thawed pork

    Jun-Hwi So, Seon Ho Hwang, Sung Yong Joe, Seung Hyun Lee


    The thawing process is usually essential for imported pork because this product is typically distributed frozen. Consumers prefer fresh pork because ... ...

PLANT&FOREST
  • Effect of film liner packaging with chlorine dioxide on the storage quality of containergrown or bare-root seedlings at cold or frozen temperatures in sawtooth oak and Japanese larch

    Yu-Rim Kim, Min-Seok Cho, Byung-Bae Park, Jong-Pil Chun


    This study was carried out to discover suitable packaging methods during the cold or frozen storage of sawtooth oak and Japanese larch seedlings ... ...

FOOD&CHEMISTRY
  • Perception of agricultural biotechnology according to information navigation activities on agricultural biotechnology

    Bumkyu Lee, Sung-Dug Oh, Youn Sung Cho


    A study was undertaken to identify variations in the level of awareness, the information collection status, the level of acceptance, and the characteristics of ... ...

  • Comparison of the contents of fat-soluble nutrients and phospholipids in seven types of commercial infant formulas

    Tae Yong Ahn, Jung-Ah Shin


    This study was performed to investigate the contents of fat-soluble nutrients (tocopherols, retinol, carotenoids, fatty acids, and cholesterol) and ... ...

  • Evaluation of NH3 emissions in accordance with the pH of biochar

    Yun-Gu Kang, Jae-Han Lee, Jin-Hyuk Chun, Yeo-Uk Yun, Taek-Keun Oh, Jwa-Kyung Sung


    Nitrogen (N) is the most important element during the process of plant growth, and the quality of crops varies depending on the amount of nitrogen present. Most ... ...

MANAGEMENT&ECONOMICS
  • Monthly Hanwoo supply and forecasting models

    Hyungwoo Lee, Seonu Ji, Tongjoo Suh


    As the number of scaled-up ranches increased and agile responses to market changes became possible, decision-making by Hanwoo cattle farms ... ...

ANIMAL
  • Effects of fermented soybean meal supplementation on the growth performance in sows and piglets

    Seok Han Ra, Hyoung Churl Bae, Myoung Soo Nam


    This study sought to evaluate the effects of fermented soybean meal (FSBM) prepared by inoculating Bacillus coagulans NRR1207 and a Kefir starter on ... ...

MANAGEMENT&ECONOMICS
  • A study of a flatfish outlook model using a partial equilibrium model approach based on a DEEM system

    Sukho Han, Sujin Heo, Namsu Lee


    The purpose of this study is to construct a flatfish outlook model that is consistent with the "Fisheries outlook" monthly publication of the fisheries outlook center ... ...

ANIMAL
  • Comparative analysis of the energy values of oat hay, tall fescue, annual ryegrass, and barnyard millet using in vivo digestibility results and predicted values

    Seul Lee, Seoyoung Jeon, Seongwon Seo, Jungeun Kim, Pilnam Seong, Youl Chang Baek


    Accurate measurements of feed energy values have a positive effect on the control of feed intake for animals, the formation of prices, and on economic ... ...

FOOD&CHEMISTRY
  • Simple assessment of wind erosion depending on the soil texture and threshold wind velocity in reclaimed tidal flat land

    Kyo-Suk Lee, IL-Hwan Seo, Jae-Eui Yang, Sang-Phil Lee, Hyun-Gyu Jung, Doug Young Chung


    The objectives of this paper were to simply estimate soil loss levels as caused by wind in reclaimed tidal flat land (RTFL) and the threshold wind velocity ... ...

ENGINEERING
  • A study to improve the national technical qualification practical evaluation method of National Competency Standards in the field of organic agriculture

    Hyun-Ho Jang, Taek-Keun Oh, Jwakyung Sung


    The purpose of this study is to suggest an improvement plan for the National Technical Qualification Practical Evaluation focusing on National Competency ... ...

  • A study of the improvement of the national technical qualification practical evaluation method on National Competency Standards in the field of floral design

    Hyun-Ho Jang, Taek-Keun Oh, Jwakyung Sung


    The purpose of this study is to suggest an improvement plan for the practical evaluation method used to determine the national technical qualification ... ...

PLANT&FOREST
  • Impact of vitamin-A-enhanced transgenic soybeans on above-ground non-target arthropods in Korea

    Sung-Dug Oh, Kihun Ha, Soo-Yun Park, Seong-Kon Lee, Do won Yun, Kijong Lee, Sang Jae Suh


    In order to confirm the safety of a genetically modified organism (GMO), we assess its potential toxicity on non-target insects and spiders. In this study ... ...

FOOD&CHEMISTRY
  • Development of a soil total carbon prediction model using a multiple regression analysis method

    Jun-Hyuk Yoo, Jwa-Kyoung Sung, Deogratius Luyima, Taek-Keun Oh, Jaesung Cho


    There is a need for a technology that can quickly and accurately analyze soil carbon contents. Existing soil carbon analysis methods are cumbersome in ... ...

ANIMAL
  • Physicochemical effects of different processing temperatures on 5-hydroxymethyl-2-furaldehyde and the volatile flavor of domestic honey

    Suk-Ho Choi, Myoung Soo Nam


    This study was performed to suggest concentration methods leading to the production ofhoney with an excellent flavor by examining the effects of ... ...

MANAGEMENT&ECONOMICS
  • Impact of a reduction in the quality of Shine Muscat on the grape variety market using the Armington model

    Byung Min Soon, Sumin Cho, Sounghun Kim


    We devised a grape variety model to estimate the impact of lowering the Shine Muscat quality level on the grape market. Shine Muscat has become ... ...

ANIMAL
  • Application of molecular biology methods to identify species of animal bones excavated from archaeological sites: focusing on the case of Bonghwang-dong, Gimhae

    Suyeon Kim, Eun Min Cho, Yun-Ji Kim, So Jin Kim


    People have lived with and used animals for various purposes since the Paleolithic age. Therefore, animal bone research is interesting because ... ...

  • Bisphenol a induces reproductive dysfunction in male mice

    Young-Joo Yi, Malavige Romesha Chandanee, Dong-Won Seo, Jung-Min Heo, Min Cho, Sang-Myeong Lee


    It has been suggested that bisphenol A (BPA), a known endocrine disruptor, interferes with the endocrine system, causing reproductive dysfunction. Recently ... ...

ENIGINEERING
  • Evaluation of pepper seedling growth according to the growing period and tray for automatic transplanting

    Md Nafiul Islam, Md Zafar Iqbal, Mohammod Ali, Ye-Seul Lee, Jea-Keun Woo, Il-Su Choi, Sun-Ok Chung


    The effective growth of pepper seedlings relies on the growing period and tray used, which both aim to minimize seedling damage during the transplantation ... ...

ANIMAL
  • Effects of supplemented sodium butyrate on the in vitro rumen fermentation and growth performance of Hanwoo calves

    Chae Hwa Ryu, Byeonghyeon Kim, Seul Lee, Hyunjung Jung, Youl Chang Baek


    The study aimed to investigate the effects of supplemented sodium butyrate on the in vitro rumen fermentation and growth performance of Hanwoo calves. In ... ...

  • Lactulose as a potential additive to enhance the growth performance, nutrient digestibility, and microbial shedding, and diminish noxious odor emissions in weaning pigs

    Vetriselvi Sampath, Jae Hong Park, Sureshkumar Shanmugam, In Ho Kim


    The intention of this research is to analyze the effects of lactulose (LAC) supplementation on the growth performance, nutrient digestibility, microbial shedding ... ...

  • Effects of the crude protein concentration on the growth performance and blood parameters in growing Hanwoo steers (Bos taurus coreanae)

    Seoyoung Jeon, Hyunjin Cho, Hamin Kang, Kyewon Kang, Mingyung Lee, Enkyu Park, Seokman Hong, Seongwon Seo


    The sufficient amount of protein supply is crucial for improving the growth performance of growing beef cattle. In addition, due to the improvement in ... ...

  • Forecasting the consumption of dairy products in Korea using growth models

    Jaesung Cho, Jae Bong Chang


    One of the most critical issues in the dairy industry, alongside the low birth rate and the aging population, is the decrease in demand for milk. In this study ... ...

FOOD&CHEMISTRY
  • Large-scale purification and single-dose oraltoxicity study of human thioredoxin and epidermal growth factor introduced into two different genetically modified soybean varieties

    Jung-Ho Park


    Thioredoxin (TRX) protein is an antioxidant responsible for reducing other proteins by exchanging cysteine thiol-disulfide and is also known ... ...

  • Comparison of protein and amino acid content in selected cultivars of non-glutinous rice in Korea

    So-Jung Kim, Min Joo Kim, Su Hyeon Lee, Youngmin Choi, Sung Jeehye, Dongwon Seo


    The objective of this study was to determine amino acid and protein contents of brown and milled non-glutinous rice of 13 cultivars in Korea. Protein contents of ... ...

ENGINEERING
  • Performance simulation of an electric multipurpose cultivator according to rotary tillage

    Seung-Yun Baek, Wan-Soo Kim, Seung-Min Baek, Hyeon-Ho Jeon, Jun-Ho Lee, Dae-Hyun Lee, Kyu-Hong Choi, Yong-Joo Kim, Seung-Muk Choi


    This study aims to evaluate the performance of an electric multi-purpose cultivator through a simulation analysis. The simulation model was developed ... ...

  • Analysis of the power requirements of a 55 kW class agricultural tractor during a garlic harvesting operation

    Seung Min Baek, Wan Soo Kim, Seung Yun Baek, Hyeon Ho Jeon, Jun Ho Lee, Ye In Song, Yong Choi, Young Keun Kim, Sang Hee Lee, Yong Joo Kim


    The purpose of this study is to measure load data for a 55 kW class agricultural tractor during a harvesting operation and to analyze ... ...

PLANT&FOREST
  • Genetic information analysis for the development of an event-specific PCR marker for herbicide tolerance LM crops

    Do Yu Kang, Myung Ho Lim, Soo In Sohn, Hyun Jung Kang, Tae Sung Park


    Recent times have seen sustained increases in genetically modified (GM) crops not only for cultivation but also for the utility of food ... ...