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 3.93
Milk (kg) -58.00 -0.014 0.81
Fat (kg) -2.98 -0.375 1.12
Prot (kg) -4.53 -0.441 2.00
Fertility Sub Index -4.16
Calving Interval (days) 2.16 -1.459 -3.15
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 0.33
Gestation Length (days) -0.36 -0.919 0.33
Beef Sub Index 0.33
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 3.39 -0.432 -1.46
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 0.92

* Based on an €80/tonne carbon price