Abstract
This report describes an outbreak of Staphylococcal dermatitis which occurred in commercial Japanese quail (Coturnix coturnix japonica) with a history and clinico-pathological evidence suggestive of pantothenic acid deficiency. The flock had a low hatchability rate (40 to 43%) and a high percentage (50%) of dead-in-shell embryos. Approximately 5 to 15% of the grower flock developed crusty facial scabs and conjunctivitis from 4 days of age. Culture of eyelid skin yielded pure growths of non-haemolytic, coagulase-negative Staphylococcus spp. Histological examination revealed a generalised hyperkeratosis and parakeratosis of feathers, feather follicles and non-follicular skin. There was invasion of feather follicles by cocci and focal areas of suppurative exudative dermatitis and subcutaneous abscesses particularly in the eyelids and commissures of the beak. Clinical signs were alleviated by treatment with amoxycillin and a change in ration formulation.
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