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 4.17
Milk (kg) -106.00 -0.014 1.48
Fat (kg) -2.94 -0.375 1.10
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.45
Calving Interval (days) 1.14 -1.459 -1.66
Survival (%) 0.19 1.117 0.21
Calving Sub Index 0.73
Gestation Length (days) -0.79 -0.919 0.73
Beef Sub Index -1.89
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 8.78 -0.432 -3.79
Maintenance Sub Index Maint. Sub Index 7.05
Live WT (kg) -23.00 -0.307 7.05
Total Carbon Sub Index 8.60

* Based on an €80/tonne carbon price