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 4.34
Milk (kg) -81.00 -0.014 1.13
Fat (kg) -3.98 -0.375 1.49
Prot (kg) -3.88 -0.441 1.71
Fertility Sub Index -2.82
Calving Interval (days) 1.35 -1.459 -1.97
Survival (%) -0.76 1.117 -0.85
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 2.06
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) -1.47 -0.432 0.63
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 13.61

* Based on an €80/tonne carbon price