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 6.22
Milk (kg) -111.00 -0.014 1.55
Fat (kg) -4.10 -0.375 1.54
Prot (kg) -7.09 -0.441 3.13
Fertility Sub Index 2.56
Calving Interval (days) -1.15 -1.459 1.68
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 7.90
Carcass Weight (kg) -12.90 -0.528 6.80
Age of Slaughter (days) -2.53 -0.432 1.09
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 23.22

* Based on an €80/tonne carbon price