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Incidence and associated risk factors of necrotic enteritis in Belgian layer pullet flocks

(2020) AVIAN PATHOLOGY. 49(5). p.476-485
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Abstract
Necrotic enteritis (NE) caused byClostridium perfringensis commonly reported in broilers. Recently, increased NE prevalence in layer breeds was reported in the Indian subcontinent. NE is also frequently observed by veterinary practitioners in Europe, mainly during the pullet rearing phase. In this study, data from layer pullet flocks in Belgium over a 5-year period (2013-2017) were used to assess the incidence of NE and identify potential risk factors for NE in layer pullets. NE was observed in 26% of the layer pullet flocks receiving veterinary intervention. This accounts for an overall estimated NE incidence of 12.3% in Belgian layer pullet flocks. Occurrence of NE was significantly associated with coccidiosis, with flocks being diagnosed with coccidiosis being two-fold more likely to develop NE. Additionally, birds kept in aviary houses were less prone to NE than flocks reared in floor systems or enriched cages. At necropsy, necrotic lesions in the small intestine were comparable to NE in broilers. A single strain ofC. perfringenswas isolated from the necrotic lesions of three different birds from the same flock; however, no NetB could be detected.
Keywords
Necrotic enteritis, layer pullets, incidence, risk factors, lesion description, CLOSTRIDIUM-PERFRINGENS, BROILER-CHICKENS, COCCIDIOSIS, PATHOGENESIS, OUTBREAK, TURKEYS, FARM

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MLA
Goossens, Evy, et al. “Incidence and Associated Risk Factors of Necrotic Enteritis in Belgian Layer Pullet Flocks.” AVIAN PATHOLOGY, vol. 49, no. 5, 2020, pp. 476–85, doi:10.1080/03079457.2020.1772460.
APA
Goossens, E., Van Erum, J., De Gussem, M., Van Limbergen, T., Callens, C., De Zutter, L., … Van Immerseel, F. (2020). Incidence and associated risk factors of necrotic enteritis in Belgian layer pullet flocks. AVIAN PATHOLOGY, 49(5), 476–485. https://doi.org/10.1080/03079457.2020.1772460
Chicago author-date
Goossens, Evy, Johan Van Erum, Maarten De Gussem, Tommy Van Limbergen, Chana Callens, Lieven De Zutter, Richard Ducatelle, and Filip Van Immerseel. 2020. “Incidence and Associated Risk Factors of Necrotic Enteritis in Belgian Layer Pullet Flocks.” AVIAN PATHOLOGY 49 (5): 476–85. https://doi.org/10.1080/03079457.2020.1772460.
Chicago author-date (all authors)
Goossens, Evy, Johan Van Erum, Maarten De Gussem, Tommy Van Limbergen, Chana Callens, Lieven De Zutter, Richard Ducatelle, and Filip Van Immerseel. 2020. “Incidence and Associated Risk Factors of Necrotic Enteritis in Belgian Layer Pullet Flocks.” AVIAN PATHOLOGY 49 (5): 476–485. doi:10.1080/03079457.2020.1772460.
Vancouver
1.
Goossens E, Van Erum J, De Gussem M, Van Limbergen T, Callens C, De Zutter L, et al. Incidence and associated risk factors of necrotic enteritis in Belgian layer pullet flocks. AVIAN PATHOLOGY. 2020;49(5):476–85.
IEEE
[1]
E. Goossens et al., “Incidence and associated risk factors of necrotic enteritis in Belgian layer pullet flocks,” AVIAN PATHOLOGY, vol. 49, no. 5, pp. 476–485, 2020.
@article{8662687,
  abstract     = {{Necrotic enteritis (NE) caused byClostridium perfringensis commonly reported in broilers. Recently, increased NE prevalence in layer breeds was reported in the Indian subcontinent. NE is also frequently observed by veterinary practitioners in Europe, mainly during the pullet rearing phase. In this study, data from layer pullet flocks in Belgium over a 5-year period (2013-2017) were used to assess the incidence of NE and identify potential risk factors for NE in layer pullets. NE was observed in 26% of the layer pullet flocks receiving veterinary intervention. This accounts for an overall estimated NE incidence of 12.3% in Belgian layer pullet flocks. Occurrence of NE was significantly associated with coccidiosis, with flocks being diagnosed with coccidiosis being two-fold more likely to develop NE. Additionally, birds kept in aviary houses were less prone to NE than flocks reared in floor systems or enriched cages. At necropsy, necrotic lesions in the small intestine were comparable to NE in broilers. A single strain ofC. perfringenswas isolated from the necrotic lesions of three different birds from the same flock; however, no NetB could be detected.}},
  author       = {{Goossens, Evy and Van Erum, Johan and De Gussem, Maarten and Van Limbergen, Tommy and Callens, Chana and De Zutter, Lieven and Ducatelle, Richard and Van Immerseel, Filip}},
  issn         = {{0307-9457}},
  journal      = {{AVIAN PATHOLOGY}},
  keywords     = {{Necrotic enteritis,layer pullets,incidence,risk factors,lesion description,CLOSTRIDIUM-PERFRINGENS,BROILER-CHICKENS,COCCIDIOSIS,PATHOGENESIS,OUTBREAK,TURKEYS,FARM}},
  language     = {{eng}},
  number       = {{5}},
  pages        = {{476--485}},
  title        = {{Incidence and associated risk factors of necrotic enteritis in Belgian layer pullet flocks}},
  url          = {{http://dx.doi.org/10.1080/03079457.2020.1772460}},
  volume       = {{49}},
  year         = {{2020}},
}

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