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 10.79
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -14.78 -0.375 5.54
Prot (kg) -6.16 -0.441 2.72
Fertility Sub Index 0.05
Calving Interval (days) 0.37 -1.459 -0.54
Survival (%) 0.53 1.117 0.59
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.47
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.96 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 15.51

* Based on an €80/tonne carbon price