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 4.06
Milk (kg) -201.00 -0.014 2.81
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -2.40 -0.441 1.06
Fertility Sub Index -0.26
Calving Interval (days) 0.35 -1.459 -0.51
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 1.53
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 3.17 -0.432 -1.37
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 5.34

* Based on an €80/tonne carbon price