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 32.96
Milk (kg) -718.00 -0.014 10.05
Fat (kg) -26.16 -0.375 9.80
Prot (kg) -29.70 -0.441 13.11
Fertility Sub Index -2.18
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) -0.24 1.117 -0.27
Calving Sub Index -1.82
Gestation Length (days) 1.98 -0.919 -1.82
Beef Sub Index -1.78
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 4.01 -0.432 -1.73
Maintenance Sub Index Maint. Sub Index 4.17
Live WT (kg) -13.60 -0.307 4.17
Total Carbon Sub Index 31.35

* Based on an €80/tonne carbon price