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 9.76
Milk (kg) -150.00 -0.014 2.10
Fat (kg) -12.55 -0.375 4.70
Prot (kg) -6.70 -0.441 2.96
Fertility Sub Index 0.82
Calving Interval (days) -0.06 -1.459 0.09
Survival (%) 0.66 1.117 0.74
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.20
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 5.46
Live WT (kg) -17.80 -0.307 5.46
Total Carbon Sub Index 20.94

* Based on an €80/tonne carbon price