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 3.27
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index -0.78
Calving Interval (days) 0.59 -1.459 -0.86
Survival (%) 0.07 1.117 0.08
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index -0.89
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 5.85 -0.432 -2.53
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 9.09

* Based on an €80/tonne carbon price