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 2.62
Milk (kg) -64.00 -0.014 0.90
Fat (kg) -1.39 -0.375 0.52
Prot (kg) -2.72 -0.441 1.20
Fertility Sub Index 0.46
Calving Interval (days) -0.28 -1.459 0.41
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.13
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 4.67

* Based on an €80/tonne carbon price