A study was conducted in lactating dairy cows to evaluate the effect of wet rice distillers’ grain and soluble (WRDGS) on milk production and composition. Forty (40) lactating Jersey cows, in mid-lactation with an average live weight 350 kg and producing 8-9 kg milk daily were divided into two groups consisting of twenty animals in each group having 4 replicates with 5 animals in each. | Effect of wet rice distillers grain and solubles on milk production and composition in lactating cows