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 4.05
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -0.24 -0.375 0.09
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index -1.86
Calving Interval (days) 0.99 -1.459 -1.44
Survival (%) -0.37 1.117 -0.41
Calving Sub Index 0.51
Gestation Length (days) -0.55 -0.919 0.51
Beef Sub Index -1.25
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 1.19 -0.432 -0.51
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 3.28

* Based on an €80/tonne carbon price