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 หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Study on Salmonella Carrier Rate in Native Chickens) ผู้เขียน: Chantana Kunjara, Srismai Kupooan,  นายกิติ ศรีสุภาพ, รองศาสตราจารย์ , ดร.ธานีรัตน์ สานติวัตร, รองศาสตราจารย์ สื่อสิ่งพิมพ์:pdf AbstractStudies on the prevalence of Salmonella in native chickens were conducted. Samples included visceral and feces were collected and examined for Salmonella spp. By cultured on specific selective and indicative media for this organism. Four of all 599 (0.67%) of chickens under studied were positive for Salmonella spp. And were futher biochemical and serological differentiated in to 3 species included S. pullorum, S. havana, and S. Stanley. The former two serotypes were shown to be more resistant to various commonly used drugs than the third one. Experimental infection of the three Salmonella spp. Isolated in native chickens resulted in some deaths in group of S. pullorum inoculated chickens and typical white lesions were revealed on cardiac muscle and liver of died chickens. Salmonella of the same species were frequently isolated daily from feces collected from live chickens for at least 30 days after infection. The low carrier rate of Salmonella obtained from this study might not indicate extensive spread in native chickens. However , attention should be paid on this infection due to its easy transmit and long term being as carrier after recoverd from infection. |
หัวเรื่อง:การศึกษาเชื้อไวรัสในปลาน้ำจืดที่เกิดโรคระบาดด้วยกล้องจุลทรรศน์อิเล็คตรอน ผู้เขียน:ดร.ณรงค์ จึงสมานญาติ, รองศาสตราจารย์, นายกิติ ศรีสุภาพ, รองศาสตราจารย์, Churee Pankamnerd, นายบุญธรรม จงเจริญ, รองศาสตราจารย์, Ong-ard Lawhavinij, Chantana Kunjara สื่อสิ่งพิมพ์:pdf Abstract Eighteen fresh water fish affected with ulcerative skin disease outbreak in years 1983-1984 from the fish farms and natural canals in Supanburi and Nakhon Pathom provinces were examined for virus particle by using transmission electron microscope. There was no virus particle observed in the ulcerative tissue from eight fish collected, a few different types of virus particles, however, were found in the live cells and one type in the splenic cells. These viral particles may be grouped into two groups according to their different sizes. The first group was a large spherical particles of 45-90 nm. having capsid surrounding the nucleic acid core. The other group was a small virus particles of 10-30 nm. with nonenveloped spherical or icosahedral shaped particles and were crystallized arrays of irregular arrays in cytoplasm or cytoplasmic membrane-bound inclusion body. The groups of virus particles were revealed much morphological similar to Reoviruses in the former and Picornaviruses in the later which are both RNA viruses. This study could not concluded that the virus particles observed were the causative agent of the ulcerative skin disease outbreak of fresh water fish. Further study on their significance in such disease outbreak in being conducted. |
หัวเรื่อง:ไม่มีชื่อไทย (ชื่ออังกฤษ : Inhibition Effect of Antimicrobial Drugs on Growth of Aeromonas hydrophila in Pla Duk Dan (Clarias batrachus Linn.) ) ผู้เขียน:นายกิติ ศรีสุภาพ, รองศาสตราจารย์, Ong-ard Lawhavinij, นางสาวมาลินี ลิ้มโภคา, ศาสตราจารย์, นายสมุทร สิริเวชพันธุ์, อาจารย์, Rungcharoen Kanchanomai, นายพิบูล ไชยอนันต์, รองศาสตราจารย์ สื่อสิ่งพิมพ์:pdf AbstractThis experiment was designed to study the inhibiting effect of chloramphenicol, sulfamonomethoxine, doxycycline and furazolidone on growth of Aeromonas hydrophila in Pla Duk Dan (Clarias batrachus Linn.). It was found that a single intramuscular administration of chloramphenicol and sulfamonomethoxine at concentrations of 50 and 200 milligrams per kilogram of fish body weight, would respectively give very good suppression effect on multiplication of the bacteria. The number of bacteria in blood circulation dropped rapidly when compared between drugs and non-drugs administered groups of fish starting at 1 hour and remained in relative low number for twelve hours after drugs administration. Results from the same experiments also indicated that there was a better effect of sulfamonomethoxine than chloramphenicol on the bacterial growth inhibition. Chloramphenicol and sulfamonomethoxine were both less effective on bacterial growth inhibition when they were given orally using the same doses with the intramuscular route. The better effect, however, would be attained when the second does was given at eight hours after the first administration. Results obtained from oral administration of furazolidone and doxycycline at concentrations of 10 and 40 milligrams per fish body weight respectively indicated the fairly good suppression effect on growth of bacteria though it took longer lag period and shorter inhibiting duration than those of sulfamonomethoxine and chloramphenicol. |
 Researcherดร. ณรงค์ จึงสมานญาติ, รองศาสตราจารย์ที่ทำงาน:สำนักงานเลขานุการ คณะสัตวแพทยศาสตร์ สาขาที่สนใจ:มหกายวิภาคศาสตร์และจุลกายวิภาคศาสตร์ของสัตว์เลี้ยง, การวิภาคศาสตร์ประยุกต์ทางสัตวแพทย์ของม้า สัตว์เคี้ยวเอื้อง สุกร สุนัข แมวและไก่, การทดสอบฤทธิ์ฆ่าเห็บโค สุนัข Resume |