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 3.86
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -5.08 -0.375 1.90
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index -0.24
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) 1.16 1.117 1.30
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -1.62
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 7.60

* Based on an €80/tonne carbon price