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 7.74
Milk (kg) -108.00 -0.014 1.51
Fat (kg) -7.16 -0.375 2.68
Prot (kg) -8.03 -0.441 3.54
Fertility Sub Index -12.69
Calving Interval (days) 6.79 -1.459 -9.91
Survival (%) -2.49 1.117 -2.78
Calving Sub Index 1.90
Gestation Length (days) -2.07 -0.919 1.90
Beef Sub Index 0.34
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.28 -0.432 -0.55
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -2.42

* Based on an €80/tonne carbon price