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 3.88
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -4.01 -0.375 1.50
Prot (kg) -5.35 -0.441 2.36
Fertility Sub Index 8.55
Calving Interval (days) -6.16 -1.459 8.99
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.64
Carcass Weight (kg) -6.00 -0.528 3.17
Age of Slaughter (days) 3.54 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 24.81

* Based on an €80/tonne carbon price