1. Department of Animal and Food Sciences, Faculty of Agriculture; Rajarata University of Sri Lanka; Anuradhapura 50000 Sri Lanka
2. Advanced Food Systems Research Unit, College of Health and Biomedicine; Victoria University; Werribee Campus Werribee VIC 3030 Australia
3. Department of Animal Science, Faculty of Agriculture; University of Peradeniya; Peradeniya 20400 Sri Lanka