LEE, S.I., LI, T.S. and KIM, I.H. (2016) “Dietary supplementation of delta-aminolevulinic acid to lactating sows improves growth performance and concentration of iron and hemoglobin of suckling piglets”, The Indian Journal of Animal Sciences, 86(7), pp. 781–785. doi:10.56093/ijans.v86i7.59923.