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 2.75
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -0.68 -0.375 0.25
Prot (kg) -2.39 -0.441 1.05
Fertility Sub Index -1.98
Calving Interval (days) 1.41 -1.459 -2.06
Survival (%) 0.07 1.117 0.08
Calving Sub Index 0.63
Gestation Length (days) -0.68 -0.919 0.63
Beef Sub Index 1.40
Carcass Weight (kg) -9.50 -0.528 5.01
Age of Slaughter (days) 8.37 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 10.85
Live WT (kg) -35.40 -0.307 10.85
Total Carbon Sub Index 13.64

* Based on an €80/tonne carbon price