Ramirez-Navarro, W. and Cárdenas-Alayo, C.T. 2022. Productive parameters of guinea pigs improved in three rearing densities, district of Tocache. Revista de Veterinaria y Zootecnia Amazónica. 2, 2 (Jul. 2022), e357. DOI:https://doi.org/10.51252/revza.v2i2.357.