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) -73.00 -0.014 1.02
Fat (kg) -4.52 -0.375 1.69
Prot (kg) -2.64 -0.441 1.17
Fertility Sub Index -1.03
Calving Interval (days) 0.72 -1.459 -1.05
Survival (%) 0.02 1.117 0.02
Calving Sub Index 5.18
Gestation Length (days) -5.64 -0.919 5.18
Beef Sub Index -0.12
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 3.83 -0.432 -1.65
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 14.14

* Based on an €80/tonne carbon price