2026-01-292026-01-29202110.1080/1828051X.2021.19650462-s2.0-85117409465https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/34067Animal Science and ZoologyLinear and non-linear regression model fitting of testicular three-dimensional growth in Miranda donkeysresearch article