Phylogenetic tree of Ongole cattle* (*Constructed based on 240 bp mtDNA of 127 sequences, including 30 An Giang Ongole cattle and 97 sequences of indigenous cattle in South Asia, China, Southeast Asia, and Europe, using the Neighbor-Joining (NJ) method by MEGA11 software. Eight haplotypes observed in An Giang Ongole cattle are represented by circles).