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 4.75
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -1.94 -0.375 0.73
Prot (kg) -4.27 -0.441 1.88
Fertility Sub Index 2.46
Calving Interval (days) -1.09 -1.459 1.59
Survival (%) 0.78 1.117 0.87
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.58
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.12 -0.432 -0.05
Maintenance Sub Index Maint. Sub Index 6.22
Live WT (kg) -20.30 -0.307 6.22
Total Carbon Sub Index 18.72

* Based on an €80/tonne carbon price