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 9.04
Milk (kg) -281.00 -0.014 3.93
Fat (kg) -6.20 -0.375 2.32
Prot (kg) -6.30 -0.441 2.78
Fertility Sub Index 0.64
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.05 1.117 0.06
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.72 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 11.83

* Based on an €80/tonne carbon price