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 -0.08
Milk (kg) -1.00 -0.014 0.01
Fat (kg) 0.13 -0.375 -0.05
Prot (kg) 0.11 -0.441 -0.05
Fertility Sub Index -1.11
Calving Interval (days) 0.52 -1.459 -0.76
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.87
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) -0.30 -0.432 0.13
Maintenance Sub Index Maint. Sub Index 6.56
Live WT (kg) -21.40 -0.307 6.56
Total Carbon Sub Index 10.93

* Based on an €80/tonne carbon price