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선발된 아프리카와 아시아 국가들을 위한 가축유전자원 정보시스템 구축
Tadelle Dessie,Grum Gebreyesus,Yetnayet Mamo,김동훈,조경래,정현정,Okeyo Mwai,오성종 韓國受精卵移植學會 2014 한국동물생명공학회지 Vol.29 No.1
Accurate information on the genetic and phenotypic characteristics and diversity of the indigenous Farm Animal Genetic Resources (FAnGR) is the basis on which their present and future sustainable utilization and conservation should be made. The paper describes the objectives, structure, functionality, content, utility and future prospects of the Country- Domestic Animal Genetic Resources Information System (DAGRIS) of ILRI. This electronic database is designed to cater for the needs of researchers, policy makers, development practitioners, eachers, students and farmers in developing countries for efficient access to available published and grey literature from past and present research results on the origin, distribution, diversity, present use and status of selected Farm Animal Genetic Resources (FAnGR) of the countries. Development of the country-modules of c-DAGRIS in English and French for Anglophone and Francophone countries is finalized and ready to be used.
Tadelle Dessie,Grum Gebreyesus,Yetnayet Mamo,김동훈,조경래,정현정,Okeyo Mwai,오성종 사단법인 한국동물생명공학회 2014 한국동물생명공학회지 Vol.29 No.1
Accurate information on the genetic and phenotypic characteristics and diversity of the indigenous Farm AnimalGenetic Resources (FAnGR) is the basis on which their present and future sustainable utilization and conservationshould be made. The paper describes the objectives, structure, functionality, content, utility and future prospects ofthe Country- Domestic Animal Genetic Resources Information System (DAGRIS) of ILRI. This electronic databaseis designed to cater for the needs of researchers, policy makers, development practitioners, teachers, students andfarmers in developing countries for efficient access to available published and grey literature from past and presentresearch results on the origin, distribution, diversity, present use and status of selected Farm Animal Genetic Resources(FAnGR) of the countries. Development of the country-modules of c-DAGRIS in English and French for Anglophoneand Francophone countries is finalized and ready to be used.
Meselech Ambaw Dessie 대한해부학회 2018 Anatomy & Cell Biology Vol.51 No.4
Because of its embryonic origin, the thyroid gland is predisposed to multiple anatomical variations and developmental anomalies. These include the pyramidal lobe, the origin of levator glandular thyroidae, the absence of the isthmus, ectopic thyroid, accessory thyroid tissues, etc. These anatomical variations are clinically significant to surgeons, anatomists, and researchers. The present study was designed to report anatomical variations and developmental anomalies of the thyroid gland in Ethiopian population. The study was conducted on 40 cadavers used for routine dissection classes. The thyroid gland was exposed and observed for any variations and developmental anomalies. The length, width, and thickness of the lobes were measured using a vernier caliper. Differences in the incidence of pyramidal lobe and absence of the isthmus between sexes were tested using a Pearson chi-square test. The mean length, width, and thickness of the right lobe were 4.24 cm, 1.8 cm, and 1.6 cm, respectively, whereas it was 4.08 cm, 1.8 cm, and 1.6 cm, respectively for that of the left lobe. The pyramidal lobe was noted in 52.5% of the cadavers. The levator glandulae thyroidae were prevalent in 40% of the cadavers. The isthmus mainly overlies the 2nd to 4th tracheal rings and was absent in 7.5% of the cadavers. Accessory thyroid tissue and double pyramidal lobes were noted in 2.5% of the cadavers. Most of the variations of the thyroid gland were seen frequently in female but it was not statically significant. Different clinically important and rare variations of the thyroid gland were found.
Minwyelet Mingist,Amare Dessie,Dagnew Mequanent,Degsera Aemro 한국수산과학회 2023 Fisheries and Aquatic Sciences Vol.26 No.8
Food and feeding habits of Labeobarbus intermedius were studied from the newly constructed Ribb Reservoir, Ethiopia during the dry (December–March) season and wet season (June–August) of 2021. The objective of the study was to determine the diet composition, seasonal variation, and ontogenetic dietary shift in the diets of the dominant cyprinid fish in Ribb Reservoir. In this study, frequency of occurrence and volumetric analysis methods were used to present the results. From a total of 203 fish samples, 132 (65%) guts contained food items. Macrophytes (29.4%), phytoplankton (27.2%), detritus (14.8%), and insects (13.6%) were the major food items in the diets volumetrically. During the dry season, L. intermedius was mainly dependent on phytoplankton (58.2%), insects (15.2%), and zooplankton (13.7%) volumetrically. Whereas, macrophytes (50.3%) and detritus (23.3%) were the dominant food items in the wet season. The frequency occurrence and volumetric contribution of the diets of L. intermedius varied significantly (χ2 test, p < 0.05) between seasons. Schoener’s diet overlap index revealed a slight ontogenetic dietary shift in the diets of L. intermedius. While insects, nematodes, and zooplankton were the main diets of small-sized L. intermedius, macrophytes and detritus were ingested by large-sized L. intermedius. Generally, L. intermedius fed both plant and animal-origin food items and is considered an omnivorous feeder in Ribb Reservoir.
Association of MITF loci with coat color spotting patterns in Ethiopian cattle
Edea, Zewdu,Dadi, Hailu,Dessie, Tadelle,Kim, Il-Hoi,Kim, Kwan-Suk Springer-Verlag 2017 Genes & Genomics Vol.39 No.3
<P>The genetics of coat color have been the focus of investigation for decades because beyond its aesthetic values, coat color is associated with thermo-tolerance, production and health traits. Despite the fascinating coat color phenotypes observed in Ethiopian cattle populations, up to now, there are no studies performed to identify and characterize polymorphisms associated with such variation at the genome level. In an attempt to identify and map the genetic basis of coat color variation in Ethiopian cattle, a genome-wide association study (GWAS), selection signatures test and network analysis were performed in 187 cattle populations genotyped on Illumina high-density chip. Loci significant at the genome-wide level (P ae<currency> 8.29 x 10(-7)) and show selection signals (F (ST) - 5SNP window = 0.13) were mainly localized on BTA22 (31.53-31.99) within the MITF gene. Network and functional annotation clustering analyses revealed that the candidate genes are involved in important pathways including melanogenesis. The results of the present study suggest a role of the MITF gene and its interaction with other genes in determining the spotting patterns observed in the Begait and Fogera cattle populations.</P>
Yeshi Metaferia,Walelign Dessie,Ibrahim Ali,Anteneh Amsalu 한국역학회 2016 Epidemiology and Health Vol.38 No.-
OBJECTIVES: Hepatitis B virus (HBV) is a major blood-borne and sexually transmitted infectious agent that is a significant global public health issue. The aim of this study was to determine the seroprevalence and risk factors of HBV among pregnant women attending the antenatal clinic of the Hawassa University referral hospital in Ethiopia. METHODS: A cross-sectional study was conducted from April to May, 2015. A total of 269 consecutive pregnant women attending antenatal consultations were enrolled. Sociodemographic information and data regarding possible risk factors were collected using a structured questionnaire. Hepatitis B surface antigen (HBsAg) screening was performed using an enzyme-linked immunosorbent assay, and the data were analyzed. RESULTS: The overall seroprevalence of HBsAg among the 269 participants enrolled in the study was 7.8% (n=21). The prevalence of human immunodeficiency virus (HIV) infection was 5.2% (n=14), of whom two participants (14.2%) were also positive for HBsAg. Study participants with no formal education (odds ratio [OR], 3.68; 95% confidence interval [CI], 1.27 to 10.68; p<0.05) were more likely to be infected with HBV than those who had completed at least secondary school. Although HBsAg was detected more often in pregnant women who had multiple exposure factors (8.8%, n=13) than in pregnant women who had not experienced possible risk factors (4%, n=1), this difference was not statistically significant (OR, 2.33; 95%CI, 0.29 to 18.63). CONCLUSIONS: A high prevalence of HBV infection was detected in the study population. Neither the type of risk factors nor exposure to multiple risk factors was significantly associated with HBV infection. Hence, screening pregnant women regardless of risk factors and improving awareness of the transmission routes of HBV within this group may reduce the risk of HBV infections.