https://avicultura.proultry.com/productos/aviagen-sau/pollo-de-engorde-ross308#:~:text=Ross%20es%20la%20marca%20de%20aves%20reproductoras%20n%C3%BAmero%20
uno%20en%20el%20mundo.&text=La%20reproductora%20Ross%20308%20produce,rendimiento
%20del%20ave%20es%20importante. AVIAGEN
https://avicultura.info/manejos-basicos-para-reproductoras-pesadas-el-levante/ AVINEWS *3
https://sanmarino.com.co/quienes-somos/ Sanmarino
http://www.pronavicola.com/contenido/grading#:~:text=El%20grading%20es%20un%20manejo,lo
s%20par%C3%A1metros%20de%20peso%20esperado. PRONAVÍCOLA
otros
https://repositorio.umsa.bo/bitstream/handle/123456789/10009/T1485.pdf?sequence=1&isAllowed=y
http://es.aviagen.com/brands/ross/products/ross-308-ap
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