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 9.60
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.09 -0.375 1.53
Prot (kg) -13.30 -0.441 5.87
Fertility Sub Index 1.56
Calving Interval (days) -0.76 -1.459 1.11
Survival (%) 0.40 1.117 0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.18
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.90 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 2.79
Live WT (kg) -9.10 -0.307 2.79
Total Carbon Sub Index 13.66

* Based on an €80/tonne carbon price