Productive performance and cecal microbial counts of floor housed laying hens supplemented with dry whey powder alone or combined with Pediococcus acidilactici in the late phase of production

1. Pineda-Quiroga, C.
2. Atxaerandio, R.
3. Zubiria, I.
4. Gonzalez-Pozuelo, I.
5. Hurtado, A.
6. Ruiz, R.
7. Garcia-Rodriguez, A.