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 4.55
Milk (kg) -155.00 -0.014 2.17
Fat (kg) -0.99 -0.375 0.37
Prot (kg) -4.56 -0.441 2.01
Fertility Sub Index -0.96
Calving Interval (days) 0.41 -1.459 -0.60
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.59
Gestation Length (days) -0.64 -0.919 0.59
Beef Sub Index 0.24
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.75 -0.432 -1.19
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index 4.67

* Based on an €80/tonne carbon price