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 5.55
Milk (kg) -127.00 -0.014 1.78
Fat (kg) -4.04 -0.375 1.51
Prot (kg) -5.11 -0.441 2.26
Fertility Sub Index 1.55
Calving Interval (days) -0.71 -1.459 1.04
Survival (%) 0.46 1.117 0.51
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -1.43
Carcass Weight (kg) 0.40 -0.528 -0.21
Age of Slaughter (days) 2.82 -0.432 -1.22
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 8.99

* Based on an €80/tonne carbon price