A deletion of adenosine (A), at -241 (relative to initiation codon ATG), designated as Del(A) allele, was found in Laiwu compared with Yorkshire (GenBank accession number DQ463321-22).

• 克隆了猪DGAT1 5’调控区的部分序列(737 bp),在-241bp(相对于起始密码子ATG)发现一处由单个腺嘌呤(A)缺失产生的新SNP位点(定义为等位基因Del(A) ) (GenBank收录号:DQ463321-22);