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 7.11
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -8.51 -0.375 3.19
Prot (kg) -5.63 -0.441 2.48
Fertility Sub Index 1.28
Calving Interval (days) -0.29 -1.459 0.42
Survival (%) 0.77 1.117 0.86
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.06
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 16.02

* Based on an €80/tonne carbon price