title: [The relationship between the urine minute volume and mineral excretion in sow urine].
abstract: A total of 2102 urine samples of 49 sows from three farms was collected. The relationship between creatinine or the urinary colour respectively and the urinary mineral concentration was investigated. A highly significant, negative correlation between the flow of urine (3.2 to 61.1 ml/min) and the creatinine concentration could be established (n = 330, r2 = 0.84). The correlation between the urinary colour and the flow of urine showed to be comparably close (r2 = 0.80). The urinary sodium, potassium, calcium, and phosphorus content was closely correlated with the creatinine concentration or the urinary colour respectively. The corrected mineral concentration (mmol/l:creatinine and/or mmol/l:urinary colour, E 405 nm) proved to be a useful parameter of the renal mineral excretion (mmol/min). It can be expected that the additional measurement of the two parameters creatinine and/or urinary colour may increase the indicative value of urine examination. In the three sow herds investigated the correlations between urinary colour and creatinine were higher than r2 = 0.85 in all cases. The relevance of the results with respect to urine examinations is discussed.
authors.affiliation: Gesamthochschule Kassel, Fachbereich Landwirtschaft, Arbeitsgruppe Angewandte Tierphysiologie in Witzenhausen.
authors.forename: E
authors.initials: E
authors.lastname: Boehncke
authors.forename: C
authors.initials: C
authors.lastname: Krutzinna
mesh_terms: D000818:Animals; D002118:Calcium / Q000652:urine; D003404:Creatinine / Q000652:urine*; D005260:Female; D008903:Minerals / Q000652:urine*; D010758:Phosphorus / Q000652:urine; D011188:Potassium / Q000652:urine; D012964:Sodium / Q000652:urine; D013552:Swine / Q000652:urine*; D014556:Urine / Q000502:physiology*
chemical_list: D008903:Minerals; D010758:Phosphorus; D012964:Sodium; D003404:Creatinine; D011188:Potassium; D002118:Calcium