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 1.43
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) -2.58 -0.375 0.97
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 2.86
Calving Interval (days) -1.35 -1.459 1.97
Survival (%) 0.80 1.117 0.89
Calving Sub Index 1.42
Gestation Length (days) -1.54 -0.919 1.42
Beef Sub Index -1.79
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) 0.47 -0.432 -0.20
Maintenance Sub Index Maint. Sub Index -0.40
Live WT (kg) 1.30 -0.307 -0.40
Total Carbon Sub Index 3.52

* Based on an €80/tonne carbon price