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 2.46
Milk (kg) -46.00 -0.014 0.64
Fat (kg) -2.26 -0.375 0.85
Prot (kg) -2.20 -0.441 0.97
Fertility Sub Index -1.21
Calving Interval (days) 0.58 -1.459 -0.85
Survival (%) -0.33 1.117 -0.37
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 1.10
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 1.00 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 11.59

* Based on an €80/tonne carbon price