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Infected feather follicles in cage reared broilers

R C Bayer, F V Muir, C B Chawan

    Poultry Science
    |July 1, 1976
    PubMed
    Summary
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    Feather follicle infection in broilers is linked to cage rearing on wood slat floors, with higher incidence in males. Bacterial cocci were identified as the cause in infected follicles.

    Area of Science:

    • Avian pathology
    • Microbiology
    • Poultry science

    Background:

    • Feather follicle infection (FFI) is a condition observed in broiler chickens.
    • Previous studies have not fully elucidated the specific causes or contributing factors to FFI in cage-reared broilers.

    Purpose of the Study:

    • To investigate the incidence and characteristics of feather follicle infection in cage-reared broilers.
    • To identify the causative agents of feather follicle infection using advanced microscopy techniques.

    Main Methods:

    • Broiler chickens were reared in cages with wood slat floors.
    • Feather follicles were examined using scanning electron microscopy (SEM) and conventional histology.
    • Bacterial presence was assessed in infected and non-infected feather follicles.

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    Main Results:

    • A high incidence of feather follicle infection was observed in broilers housed in cages with wood slat floors.
    • The incidence of FFI was significantly higher in males than females at 59 days of age.
    • Gram-positive cocci bacteria were identified at the base of infected feather follicles.

    Conclusions:

    • Cage rearing on wood slat floors is associated with a high incidence of feather follicle infection in broilers.
    • Bacterial cocci, specifically Gram-positive cocci, are implicated as the causative agents of FFI in this broiler population.
    • Further research into management practices and preventative measures for FFI in commercial broiler operations is warranted.