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 4.30
Milk (kg) -137.00 -0.014 1.92
Fat (kg) -1.73 -0.375 0.65
Prot (kg) -3.92 -0.441 1.73
Fertility Sub Index 2.01
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.51 1.117 0.57
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.24
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) -0.44 -0.432 0.19
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 16.77

* Based on an €80/tonne carbon price