Maklad, M. N., A. M. El- Gamal, M. A. ELDeeb and M. M. Ahmed (1992). Effect of Dietary Ascorbic Acid on Performance of Laying Hens Subjected to Heat Stress. Abs. XIX World’s Poult. Congress.
كلية الزراعة
جامعة أسيوط
Maklad, M. N., A. M. El- Gamal, M. A. ELDeeb and M. M. Ahmed (1992). Effect of Dietary Ascorbic Acid on Performance of Laying Hens Subjected to Heat Stress. Abs. XIX World’s Poult. Congress.
جامعة أسيوط