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 28.29
Milk (kg) -629.00 -0.014 8.81
Fat (kg) -29.17 -0.375 10.93
Prot (kg) -19.39 -0.441 8.56
Fertility Sub Index 1.02
Calving Interval (days) -0.35 -1.459 0.51
Survival (%) 0.46 1.117 0.51
Calving Sub Index 1.62
Gestation Length (days) -1.76 -0.919 1.62
Beef Sub Index 2.89
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) -3.51 -0.432 1.52
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 40.20

* Based on an €80/tonne carbon price