Abstract:A 360-Sudani ducklings (180 ♂+ 180 ♀)-26 d-old, weighed and allocated for eight groups (four groups from each sex) to assess the impact of dietary Echinacea purpurea (EP) addition (0, 2.5, 5.0 and 7.50 g/kg diet) in a factorial design (4 × 2) on productive performance and economical efficiency during summer season. Results indicated that, all studied traits of growth performance were (P ≤ 0.01) higher for ducklings males than females through the studied period (26-110 day). However, dietary EP addition resulte… Show more
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