@article{paperid:1096971, author = {محمد رضا خوشبین and رضا وکیلی and Tahmasbi, Abdol Mansour}, title = {Effect of different Sources of organic and inorganic manganese on laying performance and resources of manganese of body`s in old laying hens}, journal = {محیط زیست جانوری}, year = {2022}, volume = {13}, number = {4}, month = {November}, issn = {2717-1388}, pages = {121--128}, numpages = {7}, keywords = {Manganese Sulfate Organic manganese chelated Laying hen Performance}, }