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 6.63
Milk (kg) -201.00 -0.014 2.81
Fat (kg) 2.85 -0.375 -1.07
Prot (kg) -11.07 -0.441 4.89
Fertility Sub Index 1.07
Calving Interval (days) -0.64 -1.459 0.93
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.31
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.81 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 8.12

* Based on an €80/tonne carbon price