@article{paperid:1093439, author = {Zarghi, Heydar and Hassanabadi, Ahmad and Barzegar, Nafiseh}, title = {Effect of organic and inorganic manganese supplementation on performance and eggshell quality in aged laying hens}, journal = {Veterinary Medicine and Science}, year = {2023}, volume = {9}, number = {3}, month = {May}, issn = {2053-1095}, pages = {1256--1268}, numpages = {12}, keywords = {Bio-efficacy; laying hen; manganese requirement; manganese source; regression model}, }