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 5.13
Milk (kg) -95.00 -0.014 1.33
Fat (kg) -4.46 -0.375 1.67
Prot (kg) -4.82 -0.441 2.13
Fertility Sub Index -3.05
Calving Interval (days) 1.38 -1.459 -2.01
Survival (%) -0.93 1.117 -1.04
Calving Sub Index -0.88
Gestation Length (days) 0.96 -0.919 -0.88
Beef Sub Index 0.83
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 2.30
Live WT (kg) -7.50 -0.307 2.30
Total Carbon Sub Index 4.32

* Based on an €80/tonne carbon price