Effect of supplementation of dry cat food with D,L-methionine and ammonium chloride on struvite activity product and sediment in urine.
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.
Funaba
M
M
Laboratory of Nutrition, Azabu University School of Veterinary Medicine, Sagamihara-shi, Japan.
Yamate
T
T
Narukawa
Y
Y
Gotoh
K
K
Iriki
T
T
Hatano
Y
Y
Abe
M
M
D000643:Ammonium Chloride / Q000008:administration & dosage*; D000821:Animal Feed; D000818:Animals; D002371:Cat Diseases / Q000517:prevention & control / Q000652:urine; D002415:Cats / Q000652:urine*; D018592:Cross-Over Studies; D019587:Dietary Supplements; D005260:Female; D006863:Hydrogen-Ion Concentration; D017616:Magnesium Compounds / Q000652:urine*; D008297:Male; D008715:Methionine / Q000008:administration & dosage*; D010710:Phosphates / Q000652:urine*; D000069877:Struvite; D014545:Urinary Calculi / Q000517:prevention & control / Q000662:veterinary
D017616:Magnesium Compounds; D010710:Phosphates; D000643:Ammonium Chloride; D008715:Methionine; D000069877:Struvite