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 3.64
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -3.62 -0.375 1.36
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 0.62
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.03 1.117 0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.22
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 4.66

* Based on an €80/tonne carbon price