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 10.06
Milk (kg) -129.00 -0.014 1.81
Fat (kg) -11.49 -0.375 4.30
Prot (kg) -8.95 -0.441 3.95
Fertility Sub Index 1.63
Calving Interval (days) -0.82 -1.459 1.20
Survival (%) 0.39 1.117 0.44
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.34
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 1.78 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 21.58

* Based on an €80/tonne carbon price