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 3.54
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -6.57 -0.375 2.46
Prot (kg) -1.02 -0.441 0.45
Fertility Sub Index 2.55
Calving Interval (days) -1.65 -1.459 2.41
Survival (%) 0.13 1.117 0.15
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.51
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 1.75 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 4.35
Live WT (kg) -14.20 -0.307 4.35
Total Carbon Sub Index 15.65

* Based on an €80/tonne carbon price