2021. 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. Agro Productividad. (Dec. 2021). DOI:https://doi.org/10.32854/agrop.v14i12.2028.