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 4.98
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -2.78 -0.375 1.04
Prot (kg) -6.08 -0.441 2.68
Fertility Sub Index -2.28
Calving Interval (days) 1.06 -1.459 -1.55
Survival (%) -0.66 1.117 -0.74
Calving Sub Index 0.23
Gestation Length (days) -0.25 -0.919 0.23
Beef Sub Index -0.21
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 4.39 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index 2.94

* Based on an €80/tonne carbon price