In the development of this research on the "Feeding system in intensive fattening pig breeding farms", the purpose was to examine the various feeding methods used in the intensive production of fattening pigs and their influence on productive efficiency. A descriptive and analytical methodology was used, adopting a qualitative approach, which covers aspects such as the relevance of pig feeding, the different feeding systems (wet-dry, liquid, precision, automatic and electrical), sanitary management, environmental conditions and economic variability. The results obtained showed that the implementation of automated feeding systems significantly improves feed conversion and reduces feed waste, positively impacting the profitability of farms. Therefore, proper management with controlled temperatures between 18°C and 24°C, good ventilation and low animal density (<0.8 m²/pig), favored greater efficiency in feed conversion and better weight gain. Since it was observed that feed consumption determined between 225 and 268 kg per pig during the fattening phase is the most expensive component of the production process, representing up to 85% of the total. Daily weight gain ranges between 634 g and 945 g, being influenced by factors such as genetics, food quality and environmental conditions. Feed conversion remained in optimal ranges, between 2.24 and 2.74 kg of feed per-kg of weight gained, with an ideal ratio of up to 2.5:1 in well-managed systems. It is concluded that the adoption of advanced technologies in pig feeding is key to optimizing production in Ecuador, although its implementation faces limitations due to high initial costs, which is equivalent to approximately 180−212 per fattened pig up to 100-110 kg of live weight. So much so that efficient management of infrastructure, biosecurity and nutrition also contribute to improving the sustainability and competitiveness of the pork sector.In the development of this research on the "Feeding system in intensive fattening pig breeding farms", the purpose was to examine the various feeding methods used in the intensive production of fattening pigs and their influence on productive efficiency. A descriptive and analytical methodology was used, adopting a qualitative approach, which covers aspects such as the relevance of pig feeding, the different feeding systems (wet-dry, liquid, precision, automatic and electrical), sanitary management, environmental conditions and economic variability. The results obtained showed that the implementation of automated feeding systems significantly improves feed conversion and reduces feed waste, positively impacting the profitability of farms. Therefore, proper management with controlled temperatures between 18°C and 24°C, good ventilation and low animal density (<0.8 m²/pig), favored greater efficiency in feed conversion and better weight gain. Since it was observed that feed consumption determined between 225 and 268 kg per pig during the fattening phase is the most expensive component of the production process, representing up to 85% of the total. Daily weight gain ranges between 634 g and 945 g, being influenced by factors such as genetics, food quality and environmental conditions. Feed conversion remained in optimal ranges, between 2.24 and 2.74 kg of feed per-kg of weight gained, with an ideal ratio of up to 2.5:1 in well-managed systems. It is concluded that the adoption of advanced technologies in pig feeding is key to optimizing production in Ecuador, although its implementation faces limitations due to high initial costs, which is equivalent to approximately 180−212 per fattened pig up to 100-110 kg of live weight. So much so that efficient management of infrastructure, biosecurity and nutrition also contribute to improving the sustainability and competitiveness of the pork sector.En el desarrollo de esta investigación sobre el “Sistema de alimentación en granjas de crianza intensivas de cerdos de engorde”, tuvo como propósito examinar los diversos métodos de alimentación empleados en la producción intensiva de cerdos de engorde y su influencia en la eficiencia productiva. Se utilizo una metodología descriptiva y analítica, adoptando un enfoque cualitativo, que abarco aspectos como la relevancia de alimentación porcina, los distintos sistemas de alimentación (húmedo-seco, liquido, por precisión, automáticos y eléctricos), el manejo sanitario, las condiciones ambientales y la variabilidad económica. Los resultados obtenidos evidenciaron que la implementación de los sistemas de alimentación automatizados mejora significativamente la conversión alimenticia y reduce el desperdicio de alimento en las granjas, impactando positivamente en la rentabilidad de las granjas intensivas. Por lo tanto el manejo adecuado de con temperaturas controladas entre 18°C y 24°C, buena ventilación y baja densidad animal (<0.8 m²/cerdo), favorecieron una mayor eficiencia en la conversión alimenticia y una mejor ganancia de peso. Dado que se observó que el consumo de alimento determinado entre 225 y 268 kg por cerdo durante la fase de engorde es el componente más costoso del proceso productivo, representando hasta el 85% del total. La ganancia diaria de peso oscila entre 634 g y 945 g, siendo influenciada por factores como genética, calidad del alimento y condiciones ambientales. La conversión alimenticia se mantuvo en rangos óptimos, entre 2.24 y 2.74 kg de alimento por kg de peso ganado, con una relación ideal de hasta 2.5:1 en sistemas bien gestionados. Se concluye que la adopción de tecnologías avanzadas en la alimentación porcina es clave para optimizar la producción en Ecuador, aunque su implementación enfrenta limitaciones debido a los altos costos iniciales lo que equivale aproximadamente a 180–212 por cerdo engordado hasta los 100-110 kg de peso vivo. Tanto que asimismo un manejo eficiente de la infraestructura, la bioseguridad y la nutrición contribuyen a mejorar la sostenibilidad y competitividad del sector porcino
