Alzamora Guerra, E.F., Trujillo Villacís, J.V., Chávez Haro, M.M. and Andino Nájera, P.R. 2020. Analysis of the reproductive parameters in the jersey breed in El Puente ranching and its impact on profitability. Ciencia Digital. 4, 3 (Jul. 2020), 164-176. DOI:https://doi.org/10.33262/cienciadigital.v4i3.1313.