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 7.11
Milk (kg) -163.00 -0.014 2.28
Fat (kg) -7.84 -0.375 2.94
Prot (kg) -4.28 -0.441 1.89
Fertility Sub Index -0.58
Calving Interval (days) 0.22 -1.459 -0.32
Survival (%) -0.23 1.117 -0.26
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.57
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 1.02 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 18.65

* Based on an €80/tonne carbon price