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 4.92
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -4.51 -0.375 1.69
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -3.78
Calving Interval (days) 1.85 -1.459 -2.70
Survival (%) -0.97 1.117 -1.08
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.94
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.20 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 6.10
Live WT (kg) -19.90 -0.307 6.10
Total Carbon Sub Index 12.95

* Based on an €80/tonne carbon price