TY - JOUR T1 - Effect of Digestible Threonine Level of Diet on Productive Performance, Commercial Egg Grading and Egg Quality of 55- to 61-Week-Old Laying Hens JO - Journal of Veterinary Healthcare VL - 1 IS - 2 SP - 12 EP - 19 PY - 2017/2// T2 - AU - Antonio, Callejo Ramos AU - Andrea, Luciana dos Santos AU - Nuria, Nicodemus Martin AU - Maria, Jesus Villamide Diaz AU - Ángela, Gutiérrez del Álamo AU - Carlos, Isidro Buxade Carbó AU - Alessandro, Borges Amorim AU - Mayra, Anton Dib Saleh SN - 2575-1212 DO - https://doi.org/10.14302/issn.2575-1212.jvhc-17-1795 UR - https://jndc-chemistryarticles.infojvhc/article/624 KW - amino acid KW - egg quality KW - hatch KW - poultry KW - productivity ER -