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 10.71
Milk (kg) -174.00 -0.014 2.44
Fat (kg) -13.87 -0.375 5.20
Prot (kg) -6.98 -0.441 3.08
Fertility Sub Index 4.77
Calving Interval (days) -3.02 -1.459 4.41
Survival (%) 0.33 1.117 0.37
Calving Sub Index 1.40
Gestation Length (days) -1.52 -0.919 1.40
Beef Sub Index 0.02
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -0.16 -0.432 0.07
Maintenance Sub Index Maint. Sub Index 1.72
Live WT (kg) -5.60 -0.307 1.72
Total Carbon Sub Index 18.62

* Based on an €80/tonne carbon price