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 5.23
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index 5.99
Calving Interval (days) -3.85 -1.459 5.62
Survival (%) 0.33 1.117 0.37
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index -0.56
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 2.40 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index 12.67

* Based on an €80/tonne carbon price