Performance, blood and antioxidant status in dual-purpose laying hens supplemented with aqueous extract of Christ’s thorn jujube (Ziziphus spina-christi L.) leaves as phytogenic agent in subtropical conditions
Khaled H. El-Kholy,
Hasan Tag El-Din,
Found A. Tawfeek
et al.
Abstract:Objective: The potential of aqueous extract of Christ’s thorn jujube (<i>Ziziphus spina-christi</i>) leaves (SLAE) to reduce the negative impacts of heat stress on production performance and physiological traits was investigated in dual-purpose layers under subtropical farming.Methods: A total of 200, 25-week-old laying hens (Inshas strain) were randomly assigned to four dietary treatments including SLAE at 0, 2.5, 5.0, and 7.5 mL/kg, respectively. The average temperature-humidity index value was 2… Show more
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