1. Faculty of Agriculture, Department of Animal Science, University of Peradeniya, Peradeniya, Sri Lanka
2. Faculty of Graduate Studies, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka
3. Faculty of Applied Sciences, Department of Biological Sciences, Rajarata University of Sri Lanka, Mihinthale, Sri Lanka
4. Faculty of Agricultural Sciences, Department of Livestock Production, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka
5. Faculty of Applied Sciences, Department of Natural Resources, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka