Abstract
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Highlights
The aim of this work was to study the effect of feeding calves in the neonatal period a diet with increased protein content on their renal function
Objective of this paper is to find whether feeding calves a diet with increased protein content affects their renal functions
In calves receiving the standard diet, the tested parameters did not differ from the results obtained by us in previous experiments (Skrzypczak 1989a, 1989b) and from other data found in literature (Wanner et aL 1981: Hartmann et aL 1987), Effective renal blood and plasma flow were 383,87 mllmin/m2 and 244,08 ml/min/m2, respectively, Glomerular filtration rate was 51.45 mllmin/m2 and filtration fraction was 0.22 (Tab, I)
Summary
The aim of this work was to study the effect of feeding calves in the neonatal period a diet with increased protein content on their renal function. Seven-day long period of feeding the animals a diet with casein supplement caused the renal blood and plasma !low to increase. Glomerular filtration rate (GFR) and PAH clearance (ERPF - Effective Renal Plasma Flow) were defined on the basis of inulin and PAH elimination rate from blood, according to indirect Bettge's method (S k rz y pc z a k et al 1989).
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