List of Articles Vitamin D3 Open Access Article Abstract Page Full-Text 1 - Laying hens’ diet modification with flaxseed and fish oils to enrich egg yolks with omega-3 fatty acids and vitamin D3 Reza Kazempoor Arman Ghorbanzadeh Mohsen Mokhtarian Saeed Rasoulinezhad Open Access Article Abstract Page Full-Text 2 - Effect of active vitamin D3 on the expression of antimicrobial peptide genes in experimental calf pneumonia Parisa asgharpour Zohreh Eftekhari Mohammad Gholi Nadealian Gholamreza Nikhbakht Borujeni Mohammad Reza Mokhber Dezfouli 10.30495/jvcp.2021.1935390.1311 Open Access Article Abstract Page Full-Text 3 - The Effects of Dietary Calcium Sources and Vitamin D3 on Egg Quality and Performance in Laying Hens A. Safamehr S. Hedatyati M.H. Shahir Open Access Article Abstract Page Full-Text 4 - تاثیر سطوح مختلف عصاره رازیانه بر عملکرد، جوجهدرآوری و ایمنی در مرغهای مادر گوشتی پس از تولکبری م. کاظمی فرد ح. کرمانشاهی م. رضایی ا. گلیان Open Access Article Abstract Page Full-Text 5 - Microextraction and measurement of cholecalciferol (vitamin D3) in biofibers by a three-phase method using hollow fiber and two immiscible organic solvents MARYAM RAZIEE