Associations between gut microbiota on carcass traits and meat quality in Neijiang pigs, Yorkshire pigs, and their hybrids 1State Key Laboratory of Swine and Poultry Breeding Industry, Sichuan Agricultural University, Cheng’du, China 2Key Laboratory of Livestock and Poultry Multi-Omics, Ministry of Agriculture and Rural Affairs, College of Animal and Technology, Sichuan Agricultural University, Cheng’du, China 3Farm Animal Germplasm Resources and Biotech Breeding Key Laboratory of Sichuan...