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 4.18
Milk (kg) -88.00 -0.014 1.23
Fat (kg) -2.58 -0.375 0.97
Prot (kg) -4.50 -0.441 1.99
Fertility Sub Index -5.27
Calving Interval (days) 2.29 -1.459 -3.34
Survival (%) -1.73 1.117 -1.93
Calving Sub Index -0.40
Gestation Length (days) 0.43 -0.919 -0.40
Beef Sub Index -0.19
Carcass Weight (kg) -0.20 -0.528 0.11
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index -1.59

* Based on an €80/tonne carbon price