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 19.21
Milk (kg) -439.00 -0.014 6.15
Fat (kg) -16.49 -0.375 6.18
Prot (kg) -15.60 -0.441 6.89
Fertility Sub Index 7.24
Calving Interval (days) -4.60 -1.459 6.71
Survival (%) 0.47 1.117 0.53
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index -0.44
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.36 -0.432 -1.02
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 28.67

* Based on an €80/tonne carbon price