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 13.47
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -15.20 -0.375 5.69
Prot (kg) -12.54 -0.441 5.53
Fertility Sub Index 2.10
Calving Interval (days) -1.60 -1.459 2.33
Survival (%) -0.21 1.117 -0.23
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.07
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 3.19
Live WT (kg) -10.40 -0.307 3.19
Total Carbon Sub Index 19.54

* Based on an €80/tonne carbon price