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Pathogens isolated from Batagur affinis (tuntung sungai) from conservation centre for river terrapins in 2014
2016
Santhi M. | Azemi H. | Rahmat T. | Sivanathan E. | Hartini I. | Nuraini Simaa A. | Siti Aminah Y. | Misliah M. | Shahaza O. | Donny Y.
In 2014, a total of 16 riverterrapins (Batagur affinis), locally calledtuntung sungai, died due to variouscauses and a post mortem was carriedout. Complete diagnostic evaluationof parasitological and bacteriologicalfindings were recorded. Significantparasitological findings consisted of seventerrapins showing presence of Ascarid(Sulcascaris sulcata) and Strongyle(Oesophagostomum sp.) worms in the gutcontents. Strongyle and strongyloides eggswere detected using McMaster’s method onfaeces of 12 terrapins. Bacterial culturesfrom organs indicated the presence ofE. Coli, Staphylococcus epidermidis,Staphylococcus chromogenes, Aeromonashydrophila (4+) dan E.Coli (4+). Thisindicates that common parasites andbacteria are important in the conservationprogrammes for river terrapins andmeasures to curb the infection is highlyrecommended. Continuous data collectionwill enable its management and assessmentin control programmes for a more effectiveconservation programmes.
Mostrar más [+] Menos [-]Comparative methods in identification of bacteria from agricultural waste using biochemical tests and 16S RRNA UARR sequencing
2017
Norlindawati A. P. | Nurzillah M. | Siti Hajar I. | Marliah A. | M. Azlan J. | Nurhaslina A. R. | M. Noor I. | Rohana A. B.
Identification of microorganisms, including bacteria, are widely used especially in environmental studies, biotechnology, clinical microbiology, microbial forensics, and in research study. The conventional method of bacteria identification is based on phenotypic observation techniques by profiling an organism’s metabolic attributes or some aspect of its chemical composition. Then, interpretation of test results involves substantial subjective judgement. Currently, general 16S rRNA sequencing and specific PCR play an important role in the accurate and faster identification of bacteria. The aim of this study is to compare the identification of the genus or species of bacteria from agricultural waste using conventional microbiology biochemical test and molecular techniques PCR 16S rRNA universal amplified ribosomal region (UARR) sequencing. A total of 72 agricultural waste samples and 2 ATCC culture as positive control were tested. Out of two ATCC bacteria and fifteen bacteria isolates identified by the biochemical test, twelve species (71%) of bacteria gave exactly the same bacteria genus as the 16S rRNA sequencing results. Aeromonas hydrophilia, Alcaligenes faecalis and Acinetobacter calcoaceticus was revealed as Pseudomonas sp. from the sequencing results. As for Alcaligenes sp., the results from the sequencing is Stenotrophomonas maltophilia. Previous reports also showed different results of the same isolate which were from similar classification, and closely related to each other. The limited number of biochemical tests available in a laboratory will contribute to misidentification of a proposed specie.
Mostrar más [+] Menos [-]Antibiotic susceptibility of bacteria isolated from the genital system of cows in Al-Hilla, Iraq
2015
Sulake Fadhil Al-Zubaidi
The aim of this study was to investigate the bacteria found in different parts of the genital system in cows and the susceptibility to different types of antibiotics. The genital systems of sixteen cows were collected from Al-Hilla, Iraq slaughterhouse. Isolation and identification of bacteria were made for each part of the genital system and antibiotic susceptibility tests was conducted to the isolated bacteria. The results of this study indicated that there were several types of bacteria present in the genital systems of cows. Different species of bacteria were isolated from the samples including, Escherichia coli (28.97)%, Klebsiella spp. (16.82)%, Salmonella spp. (14.95)%, Proteus spp. (13.08)%, Staphylococcus aureus (11.21)%, Staphylococcus epidermidis (8.41)% and Streptococcus spp. (6.54)%. In vitro susceptibility towards different types of antibiotic indicated high susceptibility of Escherichia coli to antibiotic group impenem and ciprofloxacin, while Klebsiella spp. was found to be most susceptible to ciprofloxacin and amikacin. Both Escherichia coli and Klebsiella spp. showed resistance to piperacillin and tetracycline. It was concluded that Escherichia coli was the most predominant bacteria in genital system of cows and were most susceptible to antibiotic impenem and ciprofloxacin.
Mostrar más [+] Menos [-]Seroprevalence of Melioidosis among livestock in Malaysia 2000-2009
2012
Hassan L. | Musa H. I.
Melioidosis usually results in chronic debilities that reduce the
productivity of animals and condemnation of carcasses in abattoir. Melioidosis is reemerging among animals and humans, and anecdotal reports suggest an increase in disease observation. This study described the seroprevalence of melioidosis in livestock based on the data obtained from the Department of Veterinary Services, Putrajaya and the Veterinary Research Institute, Ipoh. The data were summarized according to animal species, state, and year. The seroprevalence rate in animals was 7.6, 48.2, 2.6, 13.6 and 3.6% in cattle, buffaloes, goats, sheep and pigs respectively. The
seroprevalence of the disease varies in different states of the federation. For all species, the seroprevalence vary between
2.6% and 48.2%. The seroprevalence over the years increased from 4.2% in 2000 to 12.0% in 2003 after which it varies between
the period 2004- 2007 and apparently declined between 2007 and 2009.
Mostrar más [+] Menos [-]Isolation of Streptococcus equi during strangles surveillance in Peninsular Malaysia
2011
Yosnah Y. | Maswati M. A. | Saifu Nazri. R. | Khoo, l. l. | Roseliza R. | Ramlan M.
Strangles is an extremely contagious bacterial infection specific to
equine species( horses, mules and zebras). A nationwide screening of S. equi was conducted among horses following an isolation of Streptococcus equi subsp. equi (S. equi) from a horse. All horses were monitored for the presence of respiratory signs, nasal discharge and submandibular swelling. This paper reports the isolation of S. equi from horses during a nationwide survey from August 2010 to December 2010. From August 2010 to December 2010 our laboratory received 2,825 nasal swabs, 9 guttural pouch flushes, 1 submandibular swab and 1 submandibular abscess. The samples were subjected to conventional bacterial isolation and identification.
Streptococcus equi-positive samples were also confirmed by detecting the M-gene (SeM) of the bacteria by using PCR. Two nasal swabs from two horses and one submandibular abscess from a horse were positive for S. equi by culture and subsequently by PCR. Surveillance for S. equi should be continued for the control of the strangles. PCR can be carried out in parallel to bacterial culture to increase the
detection rate of carriers and shedders.
Mostrar más [+] Menos [-]Use of primary quail embryo fibroblast cells for propagation and assay of avian viruses
2015
Hasoon, Mayada F. | Mohammed, Majed H. | Jubrael, Jaladet M. S.
A primary fibroblast cells from embryos of brown quail Coturnixypsilophora has been established and partially characterized. The cells were maintained in Modified Eagle’s medium (MEM) supplemented with 10% fetal bovine serum. The cells were able to grow at temperatures between 35°C and 38°C with optimum temperature of 37°C. The growth rate of primary quail fibroblast cells increased as the FBS proportion increased from 5% to 20% at 37°C with optimum growth at the concentrations of 10% or 15% FBS. The cells showed no microbial contamination throughout the period of experiment and the total chromosome number of a diploid cell was 78, according to karyotyping and chromosome analysis. The susceptibility of quail primary cells for avian viruses was investigated in this study after inoculation with ND and IB viruses. Both viruses showed a satisfactory CPE development and the infectivity were assayed by virus titration (TCID50). This suggests that the quail primary cells can be used for isolation of various avian viruses with further steps of infectivity confirmation in the future.
Mostrar más [+] Menos [-]Pig growth performance data using the Loudong Bio-Fermentation waste treatment technology in closed house system
2012
Khor, S. K. | Khoo, C. K. | Lim, Y. S. | Syed Hussein S. A. | Helen, M. | Chui, I. | Yeoh, N. N. | Abu Hassan M. A.
A trial and pig performance data collection was conducted to evaluate the efficiency of Luodong Bio- Fermentation Treatment Technology with zero discharge effect in a pig close house system at Tanjung Sepat, Selangor. This trial was done to gather and monitor the pig growth performance and the pig acceptance of using the Loudong Bio-fermentation Waste Treatment Technology in close house enviroment. Growth performance of the pigs were monitored by an average daily gain, feed conversion ratio, behaviour and veterinary observations. Close house temperature, moisture measurement and
bedding sampling were also conducted.
Mostrar más [+] Menos [-]Neonatal diarrhoea in goat kids
2012
Noor Suhaila Samsi | Azizah Darus | Zamila Zainun