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 4.44
Milk (kg) -37.00 -0.014 0.52
Fat (kg) -7.80 -0.375 2.92
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 1.05
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.55 1.117 0.61
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -1.57
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 5.71 -0.432 -2.47
Maintenance Sub Index Maint. Sub Index 6.28
Live WT (kg) -20.50 -0.307 6.28
Total Carbon Sub Index 8.75

* Based on an €80/tonne carbon price