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 2.93
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -1.13 -0.375 0.42
Prot (kg) -2.67 -0.441 1.18
Fertility Sub Index 2.10
Calving Interval (days) -0.97 -1.459 1.42
Survival (%) 0.61 1.117 0.68
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.05
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.85 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 17.16

* Based on an €80/tonne carbon price