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 4.15
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.10 -0.375 0.79
Prot (kg) -5.21 -0.441 2.30
Fertility Sub Index -1.93
Calving Interval (days) 1.06 -1.459 -1.55
Survival (%) -0.34 1.117 -0.38
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.12
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.05 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 0.67
Live WT (kg) -2.20 -0.307 0.67
Total Carbon Sub Index 2.55

* Based on an €80/tonne carbon price