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 1.04
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) -1.30 -0.375 0.49
Prot (kg) -1.41 -0.441 0.62
Fertility Sub Index -0.83
Calving Interval (days) 0.40 -1.459 -0.58
Survival (%) -0.22 1.117 -0.25
Calving Sub Index 1.88
Gestation Length (days) -2.04 -0.919 1.88
Beef Sub Index 0.81
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 3.99 -0.432 -1.72
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 4.67

* Based on an €80/tonne carbon price