Mahdavi, A., Mahdavi, A., Darabighane, B., Mead, A. and Lee, M. R. F. 2019. Effects of soybean oil supplements to diets of lactating dairy cows, on productive performance, and milk fat acids profile: a meta-analysis. Italian Journal of Animal Science. https://doi.org/10.1080/1828051X.2019.1585211