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 3.84
Milk (kg) -87.00 -0.014 1.22
Fat (kg) -4.47 -0.375 1.67
Prot (kg) -2.15 -0.441 0.95
Fertility Sub Index 5.01
Calving Interval (days) -2.64 -1.459 3.85
Survival (%) 1.04 1.117 1.16
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.51
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.24 -0.432 -0.97
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 18.79

* Based on an €80/tonne carbon price