When the sward becomes open allowing weeds and unsown species to invade, overseeding will quickly check this and maintain the productivity by increasing both yield and quality.
The loss of 1 tonne DM/ha @ 11MJ/ kg DM equates to 11000 MJ/ha = more than 2000 litres milk/ha for the dairy farmer.
Overseeding a sward with the correct ForFarmers Leybooster overseeding mixture will help maintain production beyond its expected life.