Segura Correa J C, Herrera-Camacho J, Pérez-Sánchez R E and Gutiérrez-Vázquez E 2014:
Effect of lactation length, weaning to service interval and farrowing to service interval on next litter size in a commercial pig farm in Mexico.
Livestock Research for Rural Development. Volume 26, Article #12.
, from http://www.lrrd.org/lrrd26/1/segu26012.html