Evaluación zootécnica de cuatro sistemas alimenticios para la fase preparto y suplementación con omegas del postparto de la cerda
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Universidad de La Salle. Facultad de Ciencias Agropecuarias. Zootecnia
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La investigación se realizó en República Dominicana en la porcícola ―La Mina‖, utilizando cerdas con 85 días de gestación de líneas genéticas Genetiporc y PIC contando con 170 cerdas para la fase preparto y 560 lechones para la fase postparto, la estadística se desarrollo según el modelo de bloques aleatorizado y para fines de la investigación se diseñaron dos modelos estadísticos; en la fase preparto se utilizaron cuatro tratamientos según el tipo de alimento suministrado bloqueando por número de partos y caracterizando como variable explicativa el peso al nacimiento del lechón, en la fase postparto se utilizaron dos tratamientos según alimento consumido por la cerda caracterizando como variable explicativa el peso al destete y bloqueando por genero. En la fase preparto no se observó efecto (P
The research was conducted in Dominican Republic in the porcine breeding "La Mina", using sows with 85 days gestation of genetic lines Genetiporc and PIC with 170 sows for pre birth phase and 560 piglets for the post birth phase, the statistic was development according randomized blocks model and for purposes of the investigation was designed two statistical models; in the pre birth phase four treatments was used depending the type of feed provided, blocking by parity and characterized as explanatory variable the weight at born, in the post birth phase two treatments was used according to intake feed for the sow, characterizing as explanatory variable the weaning weight of the piglets and blocking by gender. In pre birth phase don’t found effect (P
The research was conducted in Dominican Republic in the porcine breeding "La Mina", using sows with 85 days gestation of genetic lines Genetiporc and PIC with 170 sows for pre birth phase and 560 piglets for the post birth phase, the statistic was development according randomized blocks model and for purposes of the investigation was designed two statistical models; in the pre birth phase four treatments was used depending the type of feed provided, blocking by parity and characterized as explanatory variable the weight at born, in the post birth phase two treatments was used according to intake feed for the sow, characterizing as explanatory variable the weaning weight of the piglets and blocking by gender. In pre birth phase don’t found effect (P
Palabras clave
Cría de cerdos, Reproducción de cerdos, Lactancia