Effect of supplementation of dry cat food with D,L-methionine and ammonium chloride on struvite activity product and sediment in urine |
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| Authors: | Funaba M Yamate T Narukawa Y Gotoh K Iriki T Hatano Y Abe M |
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| Institution: | Laboratory of Nutrition, Azabu University School of Veterinary Medicine, Sagamihara-shi, Japan. |
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| Abstract: | Feeding dry foods supplemented with urine acidifier (D,L-methionine (Met) or ammonium chloride) decreased urinary pH and struvite activity product in clinically normal cats. As a result, the number of struvite crystals in urine was greatly reduced. Supplementation with 3% Met but not 1% Met caused decrease in the urinary concentration of sediment, which resulted from a reduction in the HCl-soluble fraction. The concentration of HCl-insoluble sediment was not affected by supplementation with the urine acidifier. |
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