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 4.67
Milk (kg) -107.00 -0.014 1.50
Fat (kg) -4.12 -0.375 1.54
Prot (kg) -3.69 -0.441 1.63
Fertility Sub Index 0.25
Calving Interval (days) -0.62 -1.459 0.90
Survival (%) -0.59 1.117 -0.66
Calving Sub Index 0.28
Gestation Length (days) -0.30 -0.919 0.28
Beef Sub Index 0.74
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 1.09 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 8.63

* Based on an €80/tonne carbon price