How to cite this article:
Ahmed Mahmoud Abd El Tawab, Ayman Abdel Mohsen Hassan, Mostafa Sayed Abd Ellatif Khattab, Osama Hefny Matloup, Eman Sayed Abdelkader Farahat, Mohamed Samir Khalel, Tarek Abdelfattah Morsy and Mohamed Tawfeek Fouad, 2017. Productive Performance of Lactating Frisian Cows Fed Sugar Beet Leaves Silage Treated with Lactic Acid Bacteria. International Journal of Zoological Research, 13: 74-82. DOI: 10.3923/ijzr.2017.74.82 URL: https://scialert.net/abstract/?doi=ijzr.2017.74.82
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