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 6.58
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -1.08 -0.375 0.40
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index -0.50
Calving Interval (days) -0.01 -1.459 0.01
Survival (%) -0.46 1.117 -0.51
Calving Sub Index 1.69
Gestation Length (days) -1.84 -0.919 1.69
Beef Sub Index 0.37
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.56 -0.432 -1.11
Maintenance Sub Index Maint. Sub Index 2.51
Live WT (kg) -8.20 -0.307 2.51
Total Carbon Sub Index 10.67

* Based on an €80/tonne carbon price