Abstract:Rupture of the yolk sac was identified in leghorn chicks from six placements of a commercial hatchery that had high mortality (up to 3%) during the first 3 days. The abdomens of these chicks were filled with cloudy yellowish fluid; kidneys were swollen, and many chicks also had severe visceral urate deposition (visceral gout). No significant bacterial growth was detected. The hatchery had recently hired new sexors. After the sexors were cautioned to handle the chicks more carefully, the problem abruptly subsid… Show more
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