Estimation of Nitrogenous Compounds in the Feces of Boll Weevils, Anthonomus grandis, Fed Different Diets

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Abstract
The effects on the nitrogenous end products of the metabolism of the boll weevil, Anthonomus grandis Boheman, fed on artificial diet, cotton squares, or bolls were determined. Fecal analyses for amino nitrogen, ammonia, creatine, creatinine, guanine, urea, and uric acid showed that presence of these materials varied with the type of diet fed the insects. The purine guanine was found in relatively large quantities in the feces of weevils fed all 3 diets. A metabolic block in its deamination was hypothesized.

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