RFLP profile of cytb gene. PCR amplicons were subjected to restriction digestion with Taq1 producing following restriction products: Lane 1: 100 bp DNA ladder, Lane 2: Cattle + taq1 (294,315), Lane 3: Buffalo + taq1 (70,539), Lane 4: Goat + taq1 (43,131,163,272), Lane 5: Sheep + taq1 (294,315), Lane 6: Pig + taq I (43,267,299) and Lane 7: 100 bp DNA ladder