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 4.46
Milk (kg) -139.00 -0.014 1.95
Fat (kg) -2.07 -0.375 0.78
Prot (kg) -3.93 -0.441 1.73
Fertility Sub Index 2.66
Calving Interval (days) -0.07 -1.459 0.10
Survival (%) 2.29 1.117 2.56
Calving Sub Index 1.82
Gestation Length (days) -1.98 -0.919 1.82
Beef Sub Index 1.91
Carcass Weight (kg) -6.20 -0.528 3.27
Age of Slaughter (days) 3.15 -0.432 -1.36
Maintenance Sub Index Maint. Sub Index 6.74
Live WT (kg) -22.00 -0.307 6.74
Total Carbon Sub Index 17.59

* Based on an €80/tonne carbon price