The use of differential separation and density gradient with AllGrad 90% after thawing improves the sperm quality of South American catfish (Rhamdia quelen)

Maritza Pérez‐Atehortúa, Andrea Giannotti Galuppo, Rômulo Batista Rodrígues, Thales de Souza França, Nathalia dos Santos Teixeira, Thaíza Rodrigues de Freitas, Lis Santos Marques, Itamar Cossina Gomes, Jhony Lisbôa Benato, Thales Lysakowski Flores Machado, Eduardo Antônio Sanches, Ana Regina Seabra de Souza, Iván Bustamante, Monike Quirino, Fernando Pandolfo Bortolozzo, Danilo Pedro Streit