Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.31
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -0.35 -0.375 0.13
Prot (kg) -3.92 -0.441 1.73
Fertility Sub Index 1.89
Calving Interval (days) -0.94 -1.459 1.37
Survival (%) 0.46 1.117 0.51
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.07
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 7.23

* Based on an €80/tonne carbon price