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 3.75
Milk (kg) -26.00 -0.014 0.36
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -3.71 -0.441 1.64
Fertility Sub Index -3.10
Calving Interval (days) 1.92 -1.459 -2.80
Survival (%) -0.27 1.117 -0.30
Calving Sub Index 0.63
Gestation Length (days) -0.69 -0.919 0.63
Beef Sub Index -1.99
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 1.43 -0.432 -0.62
Maintenance Sub Index Maint. Sub Index -3.56
Live WT (kg) 11.60 -0.307 -3.56
Total Carbon Sub Index -4.26

* Based on an €80/tonne carbon price