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Alexandria Journal of Veterinary Sciences [AJVS]. 2010; 29 (1): 95-106
em Inglês | IMEMR | ID: emr-110681

RESUMO

2390 Living sheep of different ages [1-12 months], sexes and breeds [Braky-Rhmany-Baladi] were examined clinically in the field for investigation of the animals which suffered from signs of respiratory manifestation [nasal discharge [serous-mucoid-mucopurulent], rapid breathing, severe dyspenea, pyrexia [rectal temp 40-41 c]. congested mucous membranes, lacrimation, coughing and abnormal lung sound by auscultation. The study was carried out on [150] pneumonic lambs. The morbidity rate was 6.2% [150/2390], mortality rate was 7.4% and fatality rate was 19.3% [29/150]. Bacteriological examination revealed that [75] samples were positive for bacterial growth with percentages [50%] from previously affected sites of samples. In total out of [127] bacterial isolates. Concerning Gram positive bacteria; Staphylococcus aureus was 10 [6.7%], Streptococcus 8 [5.3%], Staphylococcus epidermidis 14[9.3%].while the gram negative bacteria were identified as E, coli 30 [20%] Proteus sp 28 [13.3%] Enterobacter sp 9 [6%] Klebseilla pneumoniae subsp pneumoniae 5 [3.4]% Klebseilla ozaenae 7 [4.7%], Citrobacter diversus 6 [4%], Pasteurella multocida 2 [1.3%], Providencia 2 [1.3%], Pseudomonas aerugenosa 14 [9.3%] isolated from the different examined collected samples. Bacteriological examination for [14] lung samples revealed that Staphylococcus aureus and Escherichia coli were isolated from two samples [14.2]% and other bacteria were Mannheimia haemolytica, Pseudomonas Aerugenosa, Enterobacter agglumerans, Haemophillus somuns every one of them were isolated from one sample [7.1%]. Only actinomyces pyogenes was isolated from three samples [21.3%]. The bacterial examination of lung samples showed that; all isolate were single such as actinomyces pyogens from two samples [14.2], mannheimia haemolytica, haemophillus somnus Enterobacter agglomerans, Staph .aureus every one of them was isolated from one samples [7.1]%. Except two isolates were isolated from mixed cultures; Escherichia coli +Actinomyces pyogenes and E.coli +Staph aureus .Every isolates was isolated from 1sample [7.1%]. Sensitivity test revealed that most isolates were highly sensitive to Enrofloxacin, Cephaloexine, and Ampicillin and were resistant to streptomycin


Assuntos
Animais , Doenças Respiratórias/epidemiologia , Dispneia/veterinária , Transtornos Respiratórios/veterinária , Tosse/veterinária
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