US Pig Genome Project Porcine Genome Sequenced by Roslin Institute NCBI Pig Genome Pig Genomic Informatics System (PigGIS) Swine Genome Sequencing Project Sino-Danish Pig Genome Sequencing Project Online Mendelian Inheritance in Animals (OMIA) Pig QTL Database (PigQTLdb) Ensembl Pig Genome Browser