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 1.30
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -1.30 -0.375 0.49
Prot (kg) 1.10 -0.441 -0.49
Fertility Sub Index -6.43
Calving Interval (days) 3.92 -1.459 -5.72
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index -0.91
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 4.79 -0.432 -2.07
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index -1.67

* Based on an €80/tonne carbon price