A Lancashire farmer sees his average yield increase from 31 litres to 34.8 litres in 60 days.
Looking at his herd's performance in more detail, all stages of lactation up to 200 DIM have improved since using Optipartum-C+ on his 19% starch diet.
His cows are peaking higher and staying higher for longer. The tank volume has increase by over 250 litres with 27 fewer cows milking.
