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 12.33
Milk (kg) -205.00 -0.014 2.87
Fat (kg) -15.28 -0.375 5.72
Prot (kg) -8.47 -0.441 3.74
Fertility Sub Index 0.10
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) -0.59 1.117 -0.66
Calving Sub Index -1.52
Gestation Length (days) 1.65 -0.919 -1.52
Beef Sub Index -2.46
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 2.27 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 11.19

* Based on an €80/tonne carbon price