@article{paperid:1106252, author = {Ghavi, Saeed and Hassanabadi, Ahmad and Zarghi, Heydar}, title = {The Effects of Source and Concentration of Digestible Methionine + Cystine in Diet on Productive Performance, Egg Quality Traits and Blood Metabolites in Commercial Laying Hens}, journal = {Veterinary Medicine and Science}, year = {2026}, volume = {12}, number = {1}, month = {January}, issn = {2053-1095}, pages = {1--13}, numpages = {12}, keywords = {DL-methionine; methionine hydroxy analogue; performance; laying hen}, }