Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 7.49
Milk (kg) -171.00 -0.014 2.39
Fat (kg) -6.44 -0.375 2.41
Prot (kg) -6.09 -0.441 2.69
Fertility Sub Index -1.26
Calving Interval (days) 0.54 -1.459 -0.79
Survival (%) -0.42 1.117 -0.47
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index 4.00
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) -2.54 -0.432 1.10
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 22.28

* Based on an €80/tonne carbon price