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 7.34
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -9.09 -0.375 3.40
Prot (kg) -8.61 -0.441 3.80
Fertility Sub Index -1.83
Calving Interval (days) 0.59 -1.459 -0.86
Survival (%) -0.87 1.117 -0.97
Calving Sub Index 0.06
Gestation Length (days) -0.07 -0.919 0.06
Beef Sub Index 0.33
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.69 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.41
Live WT (kg) -4.60 -0.307 1.41
Total Carbon Sub Index 7.31

* Based on an €80/tonne carbon price