Morphological characterization of blue- and-yellow macaw (Ara ararauna) seasonal testicular variations in captivity von Moreira, Mariana G., Benetti, Edson J., Rebelo, Ana C. S., Sousa, Gessica C., Medeiros, Max V. M., Vieira, Lucelia G., Mazaro, Renata C., Simoes, Karina

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