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November 4, 2020Avian Pathology

A case of clubbed down syndrome in broilers

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Why the study?

To assess the aetiology of severe growth retardation and a typical feather disorder observed in conventional broilers.

Population

Conventional broilers and broiler-breeders from an affected farm

Design

Case report and investigation

Authors

TLTommy Van LimbergenTenneco (Belgium)SRStefan RonsmansDMDominiek MaesGhent University

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Overview

Feed mineral monitoring may be warranted in breeders; leaves open causal confirmation via controlled trials.

Structured PICO

P
Population
Conventional broilers (flock with approximately 25% affected by severe growth retardation and feather disorder) and their broiler-breeders
I
Intervention
Accidental excessive amount of calcium and iron in broiler-breeder feed
O
Outcome
Aetiology of clubbed down syndrome (assessed via necropsies, histology, biochemical analysis, serology, and PCR)

Correct mineral concentrations in broiler-breeder feed are crucial to prevent clubbed down syndrome in offspring.

Limitations

  • Potential involvement of Astrovirus could not be completely ruled out

Cite This Study

Limbergen et al. (2020) studied this question.

synapsesocial.com/papers/6a8ce68e8a9f77207c301b3chttps://doi.org/10.1080/03079457.2020.1843597
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