The objective of this study was to evaluate the productive performance and quality of eggs and bones of Japanese quails that received different dietary electrolyte balance (EB) and were submitted to thermoneutrality or heat stress conditions. Eight hundred Japanese quails of 21 days of age were selected and distributed randomly in two bioclimatic chambers: thermoneutral chamber (23 °C ± 2 °C) and heat-stress chamber (33 °C ± 2 °C). The treatments were in a 2 × 5 factorial arrangement, with two temperatures and five EB levels (165, 215, 265, 315, 365 mEq/kg) with four replicates of 20 birds each. The productive performance and egg quality (in 3 cycles of 21 days) were measured. At 105 days old, the bone quality was evaluated. Data were analyzed by Minitab, and the means were compared by Tukey’s test and regression test for levels (P < 0.05). Quails submitted to thermoneutrality showed better performance and egg and bone quality. The highest production rate was the EB level of 265 mEq/kg. Low values of EB (165 and 215 mEq/kg) and high values (365) impaired egg quality, and the ideal was 315 mEq/kg. Lower levels of balance provided poor bone density. In conclusion, the results of this study indicated that heat stress impairs the production and quality of quail eggs and bones. Furthermore, by using intermediate EB levels (265 and 315) mEq/kg, it is possible to improve egg production and egg quality, and using high levels increases bone mineral density.

这项研究的目的是评估接受不同饮食电解质平衡（EB）并处于热中性或热应激条件下的日本鹌鹑的鸡蛋和骨头的生产性能和质量。选择21天龄的八百只日本鹌鹑，并随机分布在两个生物气候箱中：热中性箱（23°C±2°C）和热应激箱（33°C±2°C）。处理采用2×5因子分解法，具有两个温度和五个EB水平（165、215、265、315、365 mEq / kg），每组20只鸡进行四次重复。测量了生产性能和鸡蛋质量（在21天的3个周期中）。在105天大时，评估了骨骼质量。通过Minitab对数据进行分析，并通过Tukey检验和回归检验对平均值进行比较（P  <0.05）。经受热中性的鹌鹑表现出更好的性能以及鸡蛋和骨骼质量。最高的生产率是EB 265 mEq / kg。较低的EB（165和215 mEq / kg）和较高的（365）损害蛋品质，理想值为315 mEq / kg。较低的平衡水平提供较差的骨骼密度。总之，这项研究的结果表明，热应激损害了鹌鹑蛋和骨头的生产和质量。此外，通过使用中等的EB水平（265和315）mEq / kg，可以提高产蛋量和蛋质量，而高水平的使用可以增加骨矿物质密度。