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 3.87
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -6.87 -0.375 2.57
Prot (kg) -0.20 -0.441 0.09
Fertility Sub Index 0.72
Calving Interval (days) 0.11 -1.459 -0.16
Survival (%) 0.79 1.117 0.88
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.45
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 11.82

* Based on an €80/tonne carbon price