College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
College of Animal Science and Technology Nanjing Agricultural University Nanjing 210095 China;
CK2; CX-4945; DNA damage; Meiotic maturation; Porcine oocytes; Spindle assembly;