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 11.97
Milk (kg) -188.00 -0.014 2.63
Fat (kg) -14.80 -0.375 5.54
Prot (kg) -8.59 -0.441 3.79
Fertility Sub Index 1.38
Calving Interval (days) -0.40 -1.459 0.58
Survival (%) 0.71 1.117 0.79
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.51
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 3.95
Live WT (kg) -12.90 -0.307 3.95
Total Carbon Sub Index 21.51

* Based on an €80/tonne carbon price