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 5.96
Milk (kg) -168.00 -0.014 2.35
Fat (kg) -1.67 -0.375 0.63
Prot (kg) -6.75 -0.441 2.98
Fertility Sub Index -2.93
Calving Interval (days) 1.88 -1.459 -2.74
Survival (%) -0.17 1.117 -0.19
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index -1.01
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 1.98 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 3.67

* Based on an €80/tonne carbon price