Analisis de algunos factores que afectan el comportamiento reproductivo de varias razas de cerdos en una piara comercial de la provincia de Heredia, Costa Rica

  • Diego Aguirre Escuela de Ciencias Agrarias, Universidad Nacional
  • Carlos Sáenz Escuela de Ciencias Agrarias, Universidad Nacional
  • Jorge Camacho Escuela de Ciencias Agrarias, Universidad Nacional
  • Rafael Arroyo Escuela de Ciencias Agrarias, Universidad Nacional
  • Manuel Amador Escuela de Ciencias Agrarias, Universidad Nacional

Abstract

Growth and reproductive records of a swine herd, located in the northern region of Heredia, were analyzed using least squares methodology in order to estimate the effect of some breed and non-genetical sources of variation. Breeds included in the analysis were Yorkshire, Landrace, Duroc and Hampshire. Crossbred sows were also considered. Studied traits were: litter size and weight at birth and at weaning, mortality from birth to weaning, lactation length, gestation length, rebreeding and farrowing interval. Dam´s breed significantly affected litter at birth meanwhile year of parturition and sire´s breed did not affect considered traits.
Published
1989-01-01
How to Cite
Aguirre, D., Sáenz, C., Camacho, J., Arroyo, R., & Amador, M. (1989). Analisis de algunos factores que afectan el comportamiento reproductivo de varias razas de cerdos en una piara comercial de la provincia de Heredia, Costa Rica. Uniciencia, 6(1-2), 3-8. Retrieved from https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/5415
Section
Original scientific papers (evaluated by academic peers)