Sodium preference in sheep excreting sodium predominantly in urine or faeces
1Department of Large Animal Medicine and Surgery, Royal Veterinary College (University of London), North Mymms, Herts, UK.
Abstract:
On moderate sodium intakes (0.5 mmol/kg/day approx.) sheep are readily divided into those that are predominantly urinary or faecal excretors of sodium (U or F sheep). Water turnover and obligatory sodium loss are lower in F sheep. In view of these differences, sodium preference was examined in U and F sheep offered water and sodium bicarbonate solutions (40 or 300 mmol/l). The F sheep took significantly more of the bicarbonate solutions and, therefore, had sodium intakes that were 51% higher on the lower concentration, 94% higher on the higher concentration. Thus, F sheep not only conserve sodium more readily when it is scarce, they select it more readily when it is available.
More Related Videos
04:40Demonstration of Membrane Transport of Histidine using Goat Intestinal Inverted Sacs: An Experiential Pedagogical Tool for Undergraduates
Published on: October 4, 2024
07:21Separation and Differential Characterization of Gut Microbial Extracellular Vesicles in Salt-Sensitive Rats under High-Salt Diet Conditions
Published on: June 6, 2025
Related Concept Videos
Comparative Excretory Systems
Reabsorption and Secretion in the Loop of Henle
Formation of Dilute Urine
Filtrate Osmolarity in the PCT
Initially, as the filtrate passes through the proximal convoluted tubule (PCT), its...
Formation of Concentrated Urine
Physiology of the Genitourinary System II: Tubular Reabsorption and Secretion
Nephrotic Syndrome II : Assessment and Medical Management
