Largo de lactancia (LL) e intervalo destete servicio (IDS) y su relación con la productividad subsecuente de la hembra porcina en un sistema de producción intensivo
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Palabras clave

Swine
lactation length (LL)
weaning service interval (WSI)
litter size (LZ). Cerdos
largo de lactancia (LL)
intervalo destete servicio (IDS)
tamaño de camada (TC).

Cómo citar

Kinejara Espinoza, A. L., Barreras Serrano, A., Soto Ávila, J. G., Sánchez López, E., & Herrera Haro, J. G. (2016). Largo de lactancia (LL) e intervalo destete servicio (IDS) y su relación con la productividad subsecuente de la hembra porcina en un sistema de producción intensivo. Acta Universitaria, 26(4), 36–43. https://doi.org/10.15174/au.2016.949

Resumen

Se investigó la relación de largo de lactancia (LL) e intervalo destete servicio (IDS) con tamaño de camada al nacer (TCN), total de nacidos vivos (TNV), peso al nacer promedio (PNP) y peso al destete promedio (PDP). La influencia de componentes ambientales y el efecto lineal y cuadrático de LL e IDS sobre la productividad subsecuente fue analizada por análisis de varianza (ANOVA). El 24.4% de las hembras manifestaron estro entre los 5 a 7 días del posdestete. Hembras con número de parto (NP)2 mostraron diferentes (p < 0.05) valores de TNV entre clases de IDS. Se observaron IDS superiores a 7 días cuando LL21 días. Por cada día de incremento en LL, el subsecuente TNV disminuyó en 0.066 lechones. Además, si se incrementa IDS de 7 a 12 días, con LL = 21 días, el incremento en TNV sería de 0.07 lechones. También por cada día de incremento en LL, el subsecuente PDP aumentaría en 0.235 kg.

https://doi.org/10.15174/au.2016.949
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