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 5.23
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -4.70 -0.375 1.76
Prot (kg) -4.65 -0.441 2.05
Fertility Sub Index 2.85
Calving Interval (days) -1.21 -1.459 1.77
Survival (%) 0.97 1.117 1.08
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.62
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.16 -0.432 -0.07
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 19.24

* Based on an €80/tonne carbon price