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 15.10
Milk (kg) -329.00 -0.014 4.61
Fat (kg) -12.84 -0.375 4.81
Prot (kg) -12.87 -0.441 5.68
Fertility Sub Index -8.13
Calving Interval (days) 3.87 -1.459 -5.65
Survival (%) -2.22 1.117 -2.48
Calving Sub Index -0.38
Gestation Length (days) 0.41 -0.919 -0.38
Beef Sub Index 1.32
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 0.48 -0.432 -0.21
Maintenance Sub Index Maint. Sub Index 1.44
Live WT (kg) -4.70 -0.307 1.44
Total Carbon Sub Index 9.35

* Based on an €80/tonne carbon price