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 6.11
Milk (kg) -130.00 -0.014 1.82
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -5.40 -0.441 2.38
Fertility Sub Index 1.08
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) 0.16 1.117 0.18
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.03
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.53 -0.432 -0.66
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 8.46

* Based on an €80/tonne carbon price