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 8.13
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -7.21 -0.375 2.70
Prot (kg) -8.47 -0.441 3.74
Fertility Sub Index -0.14
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) -0.32 1.117 -0.36
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 0.70
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 2.78 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index -1.53
Live WT (kg) 5.00 -0.307 -1.53
Total Carbon Sub Index 7.28

* Based on an €80/tonne carbon price