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 -5.07
Milk (kg) -120.00 -0.014 1.68
Fat (kg) 11.48 -0.375 -4.30
Prot (kg) 5.56 -0.441 -2.45
Fertility Sub Index -2.27
Calving Interval (days) 1.09 -1.459 -1.59
Survival (%) -0.61 1.117 -0.68
Calving Sub Index 1.93
Gestation Length (days) -2.10 -0.919 1.93
Beef Sub Index 4.90
Carcass Weight (kg) -12.60 -0.528 6.65
Age of Slaughter (days) 4.05 -0.432 -1.75
Maintenance Sub Index Maint. Sub Index 8.80
Live WT (kg) -28.70 -0.307 8.80
Total Carbon Sub Index 8.28

* Based on an €80/tonne carbon price