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 15.11
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -18.22 -0.375 6.82
Prot (kg) -15.02 -0.441 6.63
Fertility Sub Index -13.20
Calving Interval (days) 6.51 -1.459 -9.50
Survival (%) -3.31 1.117 -3.70
Calving Sub Index 0.59
Gestation Length (days) -0.64 -0.919 0.59
Beef Sub Index 0.80
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 4.65

* Based on an €80/tonne carbon price