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 4.27
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -1.51 -0.375 0.57
Prot (kg) -3.91 -0.441 1.73
Fertility Sub Index 2.37
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.72 1.117 0.80
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index -0.16
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 4.17 -0.432 -1.80
Maintenance Sub Index Maint. Sub Index 5.92
Live WT (kg) -19.30 -0.307 5.92
Total Carbon Sub Index 16.08

* Based on an €80/tonne carbon price