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 4.05
Milk (kg) -73.00 -0.014 1.02
Fat (kg) -3.56 -0.375 1.33
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index -2.56
Calving Interval (days) 1.22 -1.459 -1.78
Survival (%) -0.70 1.117 -0.78
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.68
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -0.47 -0.432 0.20
Maintenance Sub Index Maint. Sub Index 5.82
Live WT (kg) -19.00 -0.307 5.82
Total Carbon Sub Index 12.77

* Based on an €80/tonne carbon price