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. 1984 Jan-Mar;28(1):238-43.

Swollen-head syndrome in broiler chickens

A J Morley, D K Thomson
  • PMID: 6326742

Swollen-head syndrome in broiler chickens

A J Morley et al. Avian Dis. 1984 Jan-Mar.

Abstract

Swollen-head syndrome is a disease seen in broiler chickens between 4 and 6 weeks of age in Southern Africa. It appears to be caused by a mixed coronavirus and Escherichia coli infection. The coronavirus appears to be of a hitherto unrecorded serotype. The disease is controlled by an attenuated live-virus vaccine and antibacterial medication.

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