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 0.88
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -1.27 -0.375 0.48
Prot (kg) 2.06 -0.441 -0.91
Fertility Sub Index 2.32
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) -0.56 1.117 -0.63
Calving Sub Index 3.47
Gestation Length (days) -3.78 -0.919 3.47
Beef Sub Index -0.11
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 1.59 -0.432 -0.69
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index 4.12

* Based on an €80/tonne carbon price