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 -1.15
Calving Interval (days) 0.99 -1.459 -1.44
Survival (%) 0.26 1.117 0.29
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index -1.37
Carcass Weight (kg) -4.10 -0.528 2.16
Age of Slaughter (days) 8.19 -0.432 -3.54
Maintenance Sub Index Maint. Sub Index 7.27
Live WT (kg) -23.70 -0.307 7.27
Total Carbon Sub Index 9.73

* Based on an €80/tonne carbon price