Prevalence and antibiograms of Salmonellae in Slaughter cattle, slaughter areas and effluents in Zaria abattoir Nigeria

Mesenteric lymph nodes of slaughter cattle, swabs of slaughter and dressing areas and effluents of Zaria abattoir were cultured for salmonellae. Of a total of 510 samples cultured, 23 (5%) were positive for Salmonella. Five (4%) of 118 bovine lymph nodes contained salmonellae whereas sites swabbed d...

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Bibliographic Details
Published in:Journal of food protection 1989-04, Vol.52 (4), p.232-235
Main Authors: Adesiyun, A.A, Oni, O.O
Format: Article
Language:English
Subjects:
ABATTOIR
ANTICORPS
ANTICUERPOS
Biological and medical sciences
CARNE
CONTAMINACION DEL AGUA
DECHET LIQUIDE
DESECHOS LIQUIDOS
Food industries
Fundamental and applied biological sciences. Psychology
HIGIENE DE LOS ALIMENTOS
HYGIENE DES ALIMENTS
MATADEROS
Meat and meat product industries
NIGERIA
POLLUTION DE L'EAU
PRODUCTOS DE LA CARNE
PRODUIT CARNE
SALMONELLA
VIANDE
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Summary:Mesenteric lymph nodes of slaughter cattle, swabs of slaughter and dressing areas and effluents of Zaria abattoir were cultured for salmonellae. Of a total of 510 samples cultured, 23 (5%) were positive for Salmonella. Five (4%) of 118 bovine lymph nodes contained salmonellae whereas sites swabbed during dressing had a frequency of isolation of 7% (11 of 150) and only 4 (3% of 150 samples) were positive after cleaning of dressing areas. Three (3%) of 92 effluent samples contained salmonellae. Thirteen of the 23 isolates of Salmonella were of different serotypes. The predominant serotypes were S. dublin (4 isolates), S. widemarsh (4 isolates) and S. llandoff (3 isolates). Twenty (87%), 8 (35%) and 8 (35%) isolates were resistant to streptomycin, neomycin and tetracycline respectively, while 6 (26%), 5 (22%) and 3 (13%) isolates were not susceptible to gentamicin, ampicillin and chloramphenicol respectively. Overall, 15 resistance patterns were observed. The wide-spread occurrence of salmonellae in Zaria abattoir coupled with the high incidence of resistance to antimicrobial agents are of public health significance from the viewpoint of food hygiene and therapy for salmonellosis
ISSN:0362-028X
1944-9097
DOI:10.4315/0362-028X-52.4.232