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 2.65
Milk (kg) -42.00 -0.014 0.59
Fat (kg) -2.80 -0.375 1.05
Prot (kg) -2.30 -0.441 1.02
Fertility Sub Index 1.96
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) 0.46 1.117 0.51
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.49
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.97 -0.432 0.85
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 16.32

* Based on an €80/tonne carbon price