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This is to certify that your paper entitled «Digestible Arginine Requirements in Hy-Line W-۳۶ Laying Hens: Effects on Performance, Egg Characteristics, and Plasma Parameters During ۴۰ to ۴۶ Weeks of Age» was indexed with 11 pages, in the CIVILICA citation database, code COI:JR_PSJG-11-1_010, after evaluation and approval of the referees of the "Poultry Science Journal Vol 11, Issue 1 , Year 2023.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.