1. College of Veterinary Sciences & A.H., Central Agricultural University, Selesih, Aizawl, Mizoram 796 014, India
2. College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam 781 022, India
3. National Research Centre on Pigs (ICAR), Rani, Guwahati, Assam 781 131, India