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 9.27
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -9.96 -0.375 3.73
Prot (kg) -7.10 -0.441 3.13
Fertility Sub Index 1.37
Calving Interval (days) -0.60 -1.459 0.88
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.04
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.89 -0.432 -1.68
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 20.54

* Based on an €80/tonne carbon price