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 11.57
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -18.66 -0.375 6.99
Prot (kg) -6.07 -0.441 2.68
Fertility Sub Index 0.40
Calving Interval (days) 0.02 -1.459 -0.03
Survival (%) 0.38 1.117 0.42
Calving Sub Index -1.81
Gestation Length (days) 1.97 -0.919 -1.81
Beef Sub Index -3.24
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 4.57 -0.432 -1.97
Maintenance Sub Index Maint. Sub Index 1.13
Live WT (kg) -3.70 -0.307 1.13
Total Carbon Sub Index 8.05

* Based on an €80/tonne carbon price