wjwj1 pisze:Tak a propo niedawno poruszanej kwestii czy dieta wysokobiałkowa podwyższa poziom kreatyniny -> świeżutkie badania pokazujące iż jest inaczej:
"This study evaluates the effect of dietary protein content on renal parameters in 23 healthy spayed female cats. The objective was to determine if cats eating diets high in protein will have higher serum urea nitrogen (UN) and creatinine values without a detectable change in kidney function, as assessed by urinalysis. [...] cats were randomly assigned to receive either a high protein [HP = 46% metabolizable energy (ME)] or low protein (LP = 26% ME) diet. [...] UN, albumin, alanine aminotransferase and urine specific gravity were significantly higher, and creatinine and phosphorus were significantly lower (P < 0.05) when cats were fed the HP diet as compared to when they were fed the LP diet, although none of the mean values were found to be outside of the corresponding reference interval. Dietary intake can result in clinically significant changes in UN and statistically significantly changes in several other biochemical analytes, although all analytes are likely to remain within normal reference intervals. Therefore, an accurate dietary history is necessary to help determine if renal parameters are being influenced by diet in a particular patient."
http://www.sciencedirect.com/science/ar ... 2X11001707
wjwj1 pisze:"However, while the control of dietary protein is used to reduce uremia and its associated clinical signs in animals with chronic renal disease, there is no evidence showing that protein intake initiates or contributes to the progression of kidney dysfunction "Dietary protein is not a contributor to either the initiation or progression of chronic renal disease in dogs and cats. Although high-protein feeding can exacerbate clinical signs by leading to azotemia in animals with advanced renal failure, these effects occur because the loss of renal function leads to an accumulation in the blood of nitrogenous and nonnitrogenous end products of protein metabolism, not due to increased damage to the kidneys.
CANINE AND FELINE NUTRITION, THIRD EDITION