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 2.17
Milk (kg) -99.00 -0.014 1.39
Fat (kg) 1.00 -0.375 -0.37
Prot (kg) -2.63 -0.441 1.16
Fertility Sub Index 1.74
Calving Interval (days) -0.73 -1.459 1.07
Survival (%) 0.60 1.117 0.67
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index 0.74
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 8.14

* Based on an €80/tonne carbon price