Water scarcity during hot seasons challenges poultry farms, especially for cooling pads and drinking lines. Rainwater harvesting captures runoff from roofs, stores it in tanks, and treats it for non-potable uses. When combined with recycling systems that filter and reuse water from cooling pads, overall freshwater demand drops significantly.

A field study on a 50,000-bird farm during summer showed that a 200 m³ rainwater tank supplied 70% of cooling pad needs. Recycling pad effluent through sedimentation and UV treatment reduced additional freshwater withdrawal by 40%. Total water cost decreased by 35%, while wastewater discharge fell by half.

During drought periods, the system provided a reliable buffer, preventing production losses. Initial investment (tanks, pumps, filters) was recovered within 18 months through water savings. Rainwater harvesting plus recycling offers a low-carbon, resilient solution for hot‑season water stress, suitable for regions with seasonal rainfall and rising temperatures.

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