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 6.89
Milk (kg) -149.00 -0.014 2.09
Fat (kg) -5.72 -0.375 2.14
Prot (kg) -6.04 -0.441 2.67
Fertility Sub Index 0.07
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) 0.02 1.117 0.02
Calving Sub Index 3.78
Gestation Length (days) -4.11 -0.919 3.78
Beef Sub Index 1.17
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 0.71 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 5.36
Live WT (kg) -17.50 -0.307 5.36
Total Carbon Sub Index 17.28

* Based on an €80/tonne carbon price