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Rahman, Md. Siddiqur,Jahan, Nusrat,Hossain, Mohammad Arif,Uddin, M.J.,Shil, Niraj Kanti,Islam, KBM Saiful,Ahasan, Md. Shamim,Rahman, A.K.M. Anisur,Song, Hee-Jong The Korean Society of Veterinary Service 2008 韓國家畜衛生學會誌 Vol.31 No.4
Brucella spp. are small, non-motile Gram-negative coccobacilli known to cause disease in a number of vertebrate species including humans and brucellosis is one of the world's major zoonoses, alongside bovine tuberculosis and rabies. There are about 33.55 million goats and 1.16 million sheep in Bangladesh. The sheep and goats can significantly play an important role in the economic well being of the resource-poor farmer in Bangladesh. Sexually matured 362 female small ruminants(300 goats and 62 sheep) were examined. Approximately 3-5 ml of blood was collected from the jugular vein of each animal and sera samples were prepared. Samples were then tested for brucellosis by using Rose Bengal test(RBT), plate agglutination test(PAT) and tube agglutination test(TAT). Among 362 small ruminants, irrespective of species(sheep or goat), diagnosed highest in TAT, 2.21%(n=8) and lowest both by RBT & PAT, 1.93%(n=7) and it is concluded that TAT is superior than RBT and PAT.
Infection of Brucella abortus Biotype 1 to Pregnant Sprague-Dawley Rat
Baek, Byeong Kirl,Siddiqur, Rahman Mohammad,Kiku, Mastuda,Lee, JooYoung,Hur, Jin,Lim, Chai Woong,Ibulaimu, Kakoma 한국수의공중보건학회 2001 예방수의학회지 Vol.25 No.4
한우에서 분리한 Brucella abortus biotype 1의 1×10^9cfu 균수를 임신 경험이 있는 암쥐와 임신 경험이 없는 처녀 쥐에게 임신 7일, 14일 그리고 18일째 각각 경피 감염시켰다. 인공 감염된 군은 간, 비장 조직에서 AMOS PCR과 조직의 세균 배양 시험으로 균체를 확인하였다. 감염 쥐의 체온은 최고 38℃까지 상승하였으나 대조군에서는 상승하지 않았다. 감염시킨 군에서는 사산, 유산, 조산, 체온의 재 상승 등이 없었으나 비장확대, 자궁염, 림프절의 종대, 태반염과 염증 증상이 육안적으로 관찰되었다. 본 연구를 통하여 Brucella 연구의 모델로서 쥐의 사용 가능성과 브루셀라 보균체로서의 역할 가능성을 있음을 알 수 있었다.
( Md. Siddiqur Rahman ),( Nusrat Jahan ),( Mohammad Arif Hossain ),( M. J. Uddin ),( Niraj Kanti Shil ),( KBM Saiful Islam ),( Md. Shamim Ahasan ),( A. K. M. Anisur Rahman ),( Hee Jong Song ) 한국가축위생학회 2008 韓國家畜衛生學會誌 Vol.31 No.4
Brucella spp. are small, non-motile Gram-negative coccobacilli known to cause disease in a number of vertebrate species including humans and brucellosis is one of the world`s major zoonoses, alongside bovine tuberculosis and rabies. There are about 33.55 million goats and 1.16 million sheep in Bangladesh. The sheep and goats can significantly play an important role in the economic well being of the resource-poor farmer in Bangladesh. Sexually matured 362 female small ruminants (300 goats and 62 sheep) were examined. Approximately 3-5ml of blood was collected from the jugular vein of each animal and sera samples were prepared. Samples were then tested for brucellosis by using Rose Bengal test(RBT), plate agglutination test(PAT) and tube agglutination test(TAT). Among 362 small ruminants, irrespective of species(sheep or goat), diagnosed highest in TAT, 2.21%(n=8) and lowest both by RBT & PAT, 1.93%(n=7) and it is concluded that TAT is superior than RBT and PAT.
Seroprevalence of brucellosis in small ruminants in selected area of Bangladash
( Mohammad Jasim Uddin ),( Md Siddiqur Rahman ),( Sayeda Hasina Akter ),( Mohammad Arif Hossain ),( Md Taohidul Islam ),( Md Ariful Islam ),( Jin Ho Park ),( Hee Jong Song ) 한국가축위생학회 2007 韓國家畜衛生學會誌 Vol.30 No.4
A seroprevalence study of small ruminant brucellosis was conducted in sheep and goat rearing selected areas of Mymensingh district and Dhaka district, Bangladesh, from March, 2005 to May, 2006. Sera from 62 sheep and 300 goats were tested by rose bengal plate test(RBPT), plate agglutination test(PAT), tube agglutination test(TAT) and mercaptoethanol test(MET). Out of the 62 sera tested 3.25%(n=2) were positive to RBT, PAT and TAT and 4.84%(n=3) were positive MET. In case of 300 goats, 1.67%(n=5) were positive to RBT and PAT, 2%(n=6) were positive to TAT and 2.33%(n=7) were positive to MET. This investigation is the first of its type to be performed in small ruminants in Bangladesh. Higher prevalence rate(8.0%) was found in BAU nutrition farm in case of sheep and 10% in Bangladesh Agri-cultural University(BAU) Veterinary Clinic in case of goat while lower prevalence (0.0%) was recorded in Pharmacology project and BAU adjacent villages in case of sheep and(0.0%) in Dhamrai upazila in case of goats respectively. Brucella antibodies were more prevalent in sheep (8.84%) than in goat (2.33%).
Pulmonary diseases in slaughtered cattle 4. Pathology of pulmonary lesions
Rahman Akm Anisur,Nooruddin Md,Hossain M Mokbul,Rahman M Siddiqur,Hossain Mohammad Arif,Song Hee-Jong The Korean Society of Veterinary Service 2006 韓國家畜衛生學會誌 Vol.29 No.4
A study of pulmonary diseases in the slaughtered cattle (n = 125) of Mymensingh town was conducted to study pathological findings using the standard methods from September 2001 through April 2002. The pulmonary lesions observed in this study included congestion, emphysema, anthracosis, pleuritis abscess and hemorrhage. The histopathological findings of congestion were characterized by hemorrhage, a large number of leukocytes infiltration in the lumen of the alveoli, bronchitis, bronchiolitis, proliferation of fibrous connective tissue and hyperplasia of bronchiolar epithelia. Histopathologically, emphysema was identified by the distended alveoli with thin and atrophied alveolar walls. In anthracosis, carbon particles were found in stroma and alveolar lumen. In pleuritic lesions, there was a proliferation of fibrous connective tissue along with the infiltration of mononuclear reactive cells. Abscesses were characteristic of the accumulation of neutrophils surrounded by immature fibroblasts forming a capsule like structure.
Growth density and regeneration of afforested mangroves at Mirersarai forest range in Bangladesh
Mohammad Main Uddin,Md Siddiqur Rahman,Mohammed Kamal Hossain,Salena Akter 한국산림과학회 2014 Forest Science And Technology Vol.10 No.3
The aim of the study was to determine growth performance of planted mangroves at three beats of Mirersarai forest rangein the Chittagong coastal afforestation division, Bangladesh. This 22–29-year-old mangrove plantation showed satisfactorygrowth and regeneration with variations among different study sites. The study revealed that individual species density andoverall density (stem/ha) in the study sites varied significantly (p0.05) where density of Sonneratia apetala wasmaximum among five species followed by Excoecaria agallocha, Avicennia officinalis, Ceriops decandra and Bruguierasexangula. Sonneratia apetala attained the highest mean diameter at breast height (DBH) (cm) and height (m) among allthe plantation species. It was found dominant at the middle section plantations of three beats, whereas Bruguierasexangula and Ceriops decandra were found absent at seaside plantation sites. Overall tree density was found to be highestat the middle part (1880 stem/ha) followed by inland (1610 stem/ha) and seaside (1087 stem/ha) plantations. Mean annualincrement of height and of DBH were significantly higher for Sonneratia apetala (0.42 m/year, 0.81 cm/year) followed byAvicennia officinalis (0.32 m/year, 0.67 cm/year), Bruguiera sexangula (0.18 m/year, 0.40 cm/year), Excoecaria agallocha(0.16 m/year, 0.30 cm/year) and Ceriops decandra (0.05 m/year, 0.10 cm/year), respectively. Regeneration of vegetationsshowed promising performance in three beats. Sonneratia apetala showed rich regeneration at seaside plantations thaninner parts in northern beats than those of southern beats. For all beats this species has an increased regeneration frominland to seaside plantation strips. Avicennia officinalis seedlings were found highest at the middle part of the plantation,whereas Excoecaria agallocha was found to be regenerated with high density at the inland part with a decreasing trendtoward seaside strips. However, Bruguiera sexangula was found to be regenerated only at inland strips. Thus, this suggeststhat a coastal afforestation program with different species will show varied growth, regeneration and density at differentsituations according to species ecology and adaptability to the sites along the coast .
Seroprevalence of brucellosis in small ruminants in selected area of Bangladash
Uddin, Mohammad Jasim,Rahman, Md Siddiqur,Akter, Sayeda Hasina,Hossain, Mohammad Arif,Islam, Md Taohidul,Islam, Md Ariful,Park, Jin-Ho,Song, Hee-Jong The Korean Society of Veterinary Service 2007 韓國家畜衛生學會誌 Vol.30 No.4
A seroprevalence study of small ruminant brucellosis was conducted in sheep and goat rearing selected areas of Mymensingh district and Dhaka district, Bangladesh, from March, 2005 to May, 2006. Sera from 62 sheep and 300 goats were tested by rose bengal plate test (RBPT), plate agglutination test (PAT), tube agglutination test (TAT) and mercaptoethanol test (MET). Out of the 62 sera tested 3.25% (n = 2) were positive to RBT, PAT and TAT and 4.84% (n = 3) were positive MET. In case of 300 goats, 1.67% (n = 5) were positive to RBT and PAT, 2% (n = 6) were positive to TAT and 2.33% (n = 7) were positive to MET. This investigation is the first of its type to be performed in small ruminants in Bangladesh. Higher prevalence rate (8.0 %) was found in BAU nutrition farm in case of sheep and 10 % in Bangladesh Agricultural University (BAU) Veterinary Clinic in case of goat while lower prevalence (0.0 %) was recorded in Pharmacology project and BAU adjacent villages in case of sheep and (0.0 %) in Dhamrai upazila in case of goats respectively. Brucella antibodies were more prevalent in sheep (8.84 %) than in goat (2.33 %).
Short Communication : Pulmonary diseases in slaughtered cattle 4. Pathology of pulmonary Lesions
( AKM Anisur Rahman ),( Md Nooruddin ),( M Mokbul Hossain ),( Mohammad Arif Hossain ),( Hee Jong Song ),( M Siddiqur Rahman ) 한국가축위생학회 2006 韓國家畜衛生學會誌 Vol.29 No.4
A study of pulmonary diseases in the slaughtered cattle(n=125) of Mymensingh town was conducted to study pathological findings using the standard methods from September 2001 through April 2002. The pulmonary lesions observed in this study included congestion, emphysema, anthracosis, pleuritis abscess and hemorrhage. The histopathological findings of congestion were characterized by hemorrhage, a large number of leukocytes infiltration in the lumen of the alveoli, bronchitis, bronchiolitis, proliferation of fibrous connective tissue and hyperplasia of bronchiolar epithelia. Histopathologically, emphysema was identified by the distended alveoli with thin and atrophied alveolar walls. In anthracosis, carbon particles were found in stroma and alveolar lumen. In pleuritic lesions, there was a proliferation of fibrous connective tissue along with the infiltration of mononuclear reactive cells. Abscesses were characteristic of the accumulation of neutrophils surrounded by immature fibroblasts forming a capsule like structure.
( Taohidul Islam ),( Mohammad Mohiuddin ),( Muhammad Tofazzal Hossain ),( Bahanur Rahman ),( Mostafizur Rahman ),( Siddiqur Rahman ),( Hee Jong Song ),( Alimul Islam ) 한국동물위생학회 2012 韓國家畜衛生學會誌 Vol.35 No.1
The objective of the present study was to isolate and identify infectious bursal disease viruses (IBDVs) from broiler and layer chickens of outbreaks of infectious bursal disease (IBD) in three districts of Bangladesh. A total of 70 bursal samples were collected from dead broiler (n=40) and layer (n=30) chickens showing specific lesions of IBD from seven commercial poultry farms of three different districts (Mymensingh, Chittagong and Tangail) of Bangladesh during the year 2007. Five representative bursal samples from each farm were used for the isolation of IBDVs using 9-day-old embryonated eggs of seronegative flock of layer birds and for identification the samples were subjected to agar gel immunodiffusion test (AGIDT), immunohistochemistry (IHC) and reverse transcription-polymerase chain reaction (RT-PCR). Out of 35 bursal samples, IBDVs were successfully isolated from 28 (80%) samples. By AGIDT, 32 (91.4%) samples were found positive for IBDV antigen. Results of AGIDT clearly indicated that IBDVs detected in 29 bursal samples of six affected farms were identical to each other but not to IBDVs present in the remaining three samples of another farm. Indirect immunoperoxidase staining of the bursal sections revealed the presence of IBDV antigen in 32 (91.4%) samples and the IBDV antigen was detected mainly in the cortex of the lymphoid follicles of the bursal tissues. In histopathology, cell depletion, atrophy and necrosis were observed in many bursal follicles with severe edema of interfollicular septa. Of the 35 bursal samples, 34 (97.1%) samples generated 254 bp product by RT-PCR. In conclusion, the results of virus isolation and identification by AGIDT, IHC and the analysis of viral genome by RT-PCR confirmed the outbreaks of acute IBD in commercial poultry of Bangladesh. Moreover, histopathological findings and results of AGIDT gave a clear indication that the isolates from six outbreaks were different from classical strain and it seems to be of very virulent strain. On the other hand, the isolates from the other outbreak were similar to the classical strain.