Table 3 Mean values (or range of values) of tubular resorption and secretion and electrolyte (sodium, potassium and chloride) excretion in urine in some species of livestock. P - plasma level (mmol/l); C - clearance (ml/min/m2); F - filtered load (mmol/min/m2);TR - tubular resorption (%); and, U*V - excretion in urine (Ī¼mol/min/m2).
From: A review of the renal system and diurnal variations of renal activity in livestock
| Ā | Sodium | |||||
|---|---|---|---|---|---|---|
| Ā | P | C | F | TR | U*V | References [n - numbers of animals] |
goats | Ā | 0,1 | Ā | 99,9 | Ā | Vogel [63]; [n = 12] |
| Ā | 135-145 | Ā | Ā | Ā | Ā | Muszczynski [35]; [n = 12] |
goat kids | 143-149 | Ā | Ā | 97.3-99.5 | 1.19-5.68* | Drzezdzon et al. [18]; [n = 8] |
sheep | Ā | 0.76 | Ā | 99.9 | Ā | Vogel [63] |
cattle | Ā | 0.1 | Ā | 99.9 | Ā | Vogel [63] |
calves | 120-135 | 0.02-0.51 | 4.7-6.0 | Ā | Ā | Skrzypczak [49]; [n = 10] |
| Ā | Ā | Ā | Ā | 98.5-99.5 | 0.22-4.3* | Skrzypczak et al. [53]; [n = 10] |
horses | Ā | 0.1 | Ā | Ā | Ā | Vogel [63] |
| Ā | Potassium | Ā | Ā | Ā | Ā | Ā |
| Ā | P | C | F | TR | U*V | Ā |
goats | Ā | 25 | Ā | 70.5 | Ā | Vogel [63] |
| Ā | 4.5-5.4 | Ā | Ā | Ā | Ā | Muszczynski [35] |
sheep | Ā | Ā | Ā | 90 | Ā | Vogel [63] |
cattle | Ā | 80 | Ā | Ā | Ā | Vogel [63] |
calves | 3.4-4.9 | 5.31-28.83 | 0.15-0.21 | 24-54 | 26-134 | Skrzypczak [49] |
| Ā | Chloride | Ā | Ā | Ā | Ā | Ā |
| Ā | P | C | F | TR | U*V | Ā |
goats | Ā | 1.1 | Ā | 99.28 | Ā | Vogel [63] |
| Ā | 93-103 | Ā | Ā | Ā | Ā | Muszczynski [35] |
sheep | Ā | 1.77 | Ā | Ā | Ā | Vogel [63] |
cattle | Ā | 0.7 | Ā | Ā | Ā | Vogel [63] |
calves | 91-99 | 0.16-2.38 | 3.8-4.5 | 93-100 | 23-217 | Skrzypczak [49] |
horses | Ā | 0.38 | Ā | Ā | Ā | Vogel [63] |