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	1.	No cover image available Effects of supplementation of daylight with artificial light at different intensities and sex ratio on productive and reproductive performance of Domyati ducks [electronic resource]. by Ismail, F. S. A Tag EI-Din, T. H Ali, M. A Gad, H. A. M Ghonim, A. I. A Language: English Summary language: Arabic Other title: تأثير إطالة ضوء النهار بمستويات مختلفة من الضوء الصناعي والنسبة الجنسية على الأداء افنتاجى والتناسلس للبط الدمياطي. In: Mansoura Unviersity Journal of Agricultural Sciences 2006.v.31(4) Online resources: Full Text Article. Availability: No items available. Add to cart (remove)
	2.	No cover image available Effect of supplementary light intensity and age of flock on some reproductive traits in Domyati ducks [electronic resource]. by Tag El-Din, T.H Ali, M.A Ismail, F.S.A Gad, H.A.M Ghonim, A.I.A Language: English Summary language: Arabic Other title: تأثير شدة الإضاءة الإضافية وعمر القطيع علي بعض صفات التناسل في البط الدمياطي. In: Mansoura University Journal of Agricultural Sciences 2006.v.31(3) Online resources: Full Text Article. Availability: No items available. Add to cart (remove)

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