02888naa a2200349 a 450000100080000000500110000800800410001902400410006010000290010124501280013026000090025852018460026765000230211365000170213665000100215365000170216365000230218065000220220365000100222565300280223565300250226370000240228870000210231270000230233370000170235670000160237370000200238970000180240970000220242770000270244977300620247621301362022-10-10       2020    bl uuuu     u00u1 u    #d7 ahttps://doi.org/10.1071/AN192242DOI1 aALBUQUERQUE, I. R. R. de  aSaline water intake effects performance, digestibility, nitrogen and water balance of feedlot lambs.h[electronic resource]  c2020  aWater availability is often a limiting factor for herds in the arid and semi-arid regions worldwide. Aim: This study aimed to evaluate the productive performance and nutritional status of Santa Inês sheep receiving water containing different salinity levels. Methods: Thirty-two intact Santa Inês lambs, with an average body weight of 21.76±1.25 kg, were distributed in a completely randomized design with four treatments (total dissolved solids (TSD) levels in the drinking water: 640, 3200, 5760 and 8320 mg/L TDS) and eight animals per treatment. Intake, apparent nutrient digestibility, water balance, nitrogen balance, and performance of animals were evaluated. Key Results: TDS levels in water promoted an increasing linear effect for water intake offered via drinking trough (P = 0.01), total water intake (P = 0.02), total urine excretion (P = 0.02), total water excretion via urine (P = 0.01), water excretion via feces (P = 0.04), total water excretion (P = 0.01), absorbed water (P = 0.02), total nitrogen intake (P = 0.04), and water intake to total weight gain ratio (P = 0.01). No effect of increasing TDS levels was observed for dry matter and nutritional fractions intake, nutrient digestibility, water intake via food, total feces excretion, water balance, nitrogen excretion via feces, nitrogen excretion via urine, total nitrogen excretion, absorbed nitrogen, and nitrogen balance (P&gt0.05). No difference was observed in the performance of Santa Inês sheep consuming water with TDS levels up to 8320 mg/L, which presented a daily mean weight gain of 0.105 kg/day. Conclusions: Water with total dissolved solids levels up to 8320 mg/L can be used as drinking water of Santa Inês sheep. Implications: Therefore, the use of water from wells, which is usually saline, may be an alternative to supplying small ruminants.  aRuminant nutrition  aSaline water  aSheep  aÁgua Salina  aEstado Nutricional  aNutrição Animal  aOvino  aConsumo de água salina  aDesempenho produtivo1 aARAUJO, G. G. L. de1 aVOLTOLINI, T. V.1 aMOURA, J. H. de A.1 aCOSTA, R. G.1 aGOIS, G. C.1 aCOSTA, S. A. P.1 aCAMPOS, F. S.1 aQUEIROZ, M. A. A.1 aSANTOS, N. M. de S. S.  tAnimal Production Sciencegv. 60, n. 13, 1591-1597, 2020.