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 6.13
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -5.96 -0.441 2.63
Fertility Sub Index 2.40
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.40
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.63 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 10.67

* Based on an €80/tonne carbon price