Effects of day-of-hatch intramuscular administration of a herbal extract mixture and its re-supplementation in drinking water on growth performance, stress indicators, and antioxidant status of broiler chickens reared under hot summer conditions

Effects of medical plants on alleviating the effects of heat stress on chickens

“…Milk thistle extract is rich in silymarin (60%), a natural compound with health benefits. Administering an injection of S. marianum extract mixture (60 μL) at the time of hatching, monitored by the addition of 0.25 mL/L via drinking water throughout the raising stage could be a beneficial approach to improve the performance, blood markers and health status of broiler kept under hot climates ( Parandoosh et al, 2023 ). Moreover, Ahmad et al (2020) demonstrated that the growth rate, feed efficacy, and carcass traits were enhanced in stressed broilers fed a diet supplemented with milk thistle (15 g/kg).…”