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Soil-borne septicaemic colibacillosis in neonatal lambs: salient observations

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Title Soil-borne septicaemic colibacillosis in neonatal lambs: salient observations
 
Creator Pandian SJ, Kumar J, Sonawane GG, Gowane GR, Swarnkar CP and Sharma SR
 
Subject Eschericia coli, Lamb mortality, Neonatal, Probiotic, Septicaemia, Shiga toxin
 
Description Not Available
Background: In sheep, Escherichia coli infection can occur as asymptomatic entity to septicaemic episode. Chiefly, it causes heavy mortality in lambs and devastates the farm economy. With an objective of documenting the salient epidemiological and clinicopathological observations in this naturally occurred outbreak of septicaemic colibacillosis, this communication is made herewith.
Methods: In February 2019, sudden death in lambs was observed in three flocks of sheep. Carcasses were subjected for necropsy and histopathological examination. Swab samples from heart, abomasum, intestines, liver and lung were examined for bacteriological and molecular confirmation.
Result: The mean (±SE) age of lambs that were affected was 11.00 ±0.49 days (n=404). Lambs of native Malpura breed (87.5%) and other two crossbred sheep were affected. Overall mortality of lambs was 23.76%. Gross pathological observations were pulmonary edema, ecchymotic lesions in lungs, congestion in kidney and liver and presence soil-mixed ingesta in abomasum. From the morbid materials including stomach and intestinal swabs, 45 E. coli isolates were identified and they were also confirmed on polymerase chain reaction (PCR). Consequently, virulence genes for shiga toxin (stx2) and intimin (eae) were identified from the isolates. Although antibiotics were administered, only probiotics could control the new infection rate
ICAR-All India Network Programme on Neonatal Mortality in Farm Animals
 
Date 2021-07-30T05:53:21Z
2021-07-30T05:53:21Z
2021-01-28
 
Type Research Paper
 
Identifier Pandian, S.J. Kumar,, J., Sonawane, G.G. Gowane,, G.R., Swarnkar, C.P. and Sharma, S.R. (2021). Soilborne Septicaemic Colibacillosis in Neonatal Lambs: Salient Observations. Indian Journal of Animal Research. DOI: 10.18805/ IJAR.B-4327
http://krishi.icar.gov.in/jspui/handle/123456789/51417
 
Language English
 
Publisher ARCC