Akter, F., Howlader, M., Hossain, M., Hasan, M., Islam, S. and Begum, S. (2016) “Effects of commercial layer feed supplementation on haematological and reproductive parameters of indigenous duck in rural area”, International Journal of Natural Sciences, 5(1), pp. 35–40. doi: 10.3329/ijns.v5i1.28609.