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 6.84
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -6.31 -0.375 2.36
Prot (kg) -9.57 -0.441 4.22
Fertility Sub Index -0.10
Calving Interval (days) 0.13 -1.459 -0.19
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.55
Gestation Length (days) 0.60 -0.919 -0.55
Beef Sub Index 1.05
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) -0.61 -0.432 0.26
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index 4.79

* Based on an €80/tonne carbon price