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 10.33
Milk (kg) -234.00 -0.014 3.28
Fat (kg) -8.24 -0.375 3.09
Prot (kg) -8.98 -0.441 3.96
Fertility Sub Index -0.13
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) 0.11 1.117 0.12
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.25
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 19.52

* Based on an €80/tonne carbon price