Effect of Maternal Intrinsic Factors on Productivity and Efficiency at Weaning in Commercial Flock of Pelibuey Ewes in the Tropic of Tabasco, Mexico: Effect of Maternal Intrinsic Factors on Productivity and Efficiency at Weaning in Commercial Flock of Pelibuey Ewes in the Tropic of Tabasco, Mexico. AP 2021. https://doi.org/10.32854/agrop.v14i12.2028.