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 8.78
Milk (kg) -144.00 -0.014 2.02
Fat (kg) -9.54 -0.375 3.57
Prot (kg) -7.23 -0.441 3.19
Fertility Sub Index 1.34
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) 0.53 1.117 0.59
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.98
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 0.54 -0.432 -0.23
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 22.01

* Based on an €80/tonne carbon price