Evaluación del Comportamiento productivo de Cerdos York Landrace en las Etapas de Crecimiento-Engorde Bajo la Influencia de Diferentes Balances Electrolíticos en la Dieta .

Abstract

A York-landrace pig producing process investigation in fattening stage was carried out in the Pig Producing Unit of Escuela Superior Politecnica de Chimborazo, located in the city of Riobamba, Chimborazo Province. Different electrolytic balances in diet were evaluated. Therefore, a random design was used during the 120 treatment days. It was determined that pigs treated with 170 mEq/KgMs got the best final weight and weight gain producing parameters with an average of 54.52% and 33.88 kg at the end of fattening stage. Besides, they got the best nutrition conversion with an average of 2.81. It was also determined that pigs treated with 170 mEq/KgMs got the best producing profit with a final weight of 89.95Kg and weight gain of 35.43kg. They also got the best nutrition conversion with an average of 4.56, a carcass yield was gotten with an average of 91.12% and a benefit-cost index of 1.22USD at the end of fattening stage. It is recommended to use an electrolytic balance of 170 M Eq/KgMs due to a quadratic function was the best 170mEq/KgMs treatment by reviewing the data gotten from treatments with 120, 170 and 220 mEq/KgMs. The electrolytic balance levels of 120 and 220 mEq/KgMs decreased the producing parameters. Investigations with other levels must be carried out to determine the best toxic level.