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 6.25
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -4.02 -0.375 1.51
Prot (kg) -6.73 -0.441 2.97
Fertility Sub Index 0.20
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.00
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 1.29
Live WT (kg) -4.20 -0.307 1.29
Total Carbon Sub Index 7.27

* Based on an €80/tonne carbon price