Crossbreeding for swine production in Puerto Rico
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How to Cite

González Chapel, A., & Cabrera, J. I. (1949). Crossbreeding for swine production in Puerto Rico. The Journal of Agriculture of the University of Puerto Rico, 33(4), 119–155. https://doi.org/10.46429/jaupr.v33i4.12837

Abstract

The comparative performances of the Duroc Jersey and Native breeds and the Duroc x Native, Landrace Large Black x Duroc, Landrace Large Black x Native, Tamworth x Duroc and Tamworth x Native crosses were studied for several pre-weaning and post-weaning characteristics of swine. In the pre-weaning characteristics a total of 112 litters were considered; for the post-weaning characteristics, 143 gilts, 74 boars and 69 barrows were used in individual feeding trials.
https://doi.org/10.46429/jaupr.v33i4.12837
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