Six free-flying California condors (Gymnogyps californianus) were diagnosed with acute lead toxicosis that caused crop distension and stasis. Between January 2006 and January 2007, the birds were referred to the Phoenix Zoo in Arizona for emergency treatment. In 5 birds, an ingluviotomy was performed to place a feeding tube from the crop to the proventriculus, which allowed a temporary bypass of the dysfunctional esophagus until normal function and motility were regained. A crop-support pressure bandage was placed in 4 birds to improve crop emptying into the proventriculus and to prevent crop distension. Although chelation therapy is the gold standard treatment for lead toxicosis, severe cases of lead-induced crop stasis are not acutely reversible with pharmaceuticals. In these condors, placement of a feeding tube was deemed prudent to ensure a viable enteric route of nutritional support during the standard treatment and recovery period in acute lead toxicosis with crop stasis.
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