@article{Antonio201712 title = "Effect of Digestible Threonine Level of Diet on Productive Performance, Commercial Egg Grading and Egg Quality of 55- to 61-Week-Old Laying Hens", journal = "Journal of Veterinary Healthcare", volume = "1", number = "2", pages = "12 - 19", year = "2017", note = "", issn = "2575-1212", doi = "https://doi.org/10.14302/issn.2575-1212.jvhc-17-1795", url = "https://openaccesspub.orgjvhc/article/624", author = "Callejo Ramos Antonio and Luciana dos Santos Andrea and Nicodemus Martin Nuria and Jesus Villamide Diaz Maria and Gutiérrez del Álamo Ángela and Isidro Buxade Carbó Carlos and Borges Amorim Alessandro and Anton Dib Saleh Mayra", keywords = "amino acid", keywords = "egg quality", keywords = "hatch", keywords = "poultry", keywords = "productivity" }