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 5.22
Milk (kg) -65.00 -0.014 0.91
Fat (kg) -1.29 -0.375 0.48
Prot (kg) -8.68 -0.441 3.83
Fertility Sub Index 2.14
Calving Interval (days) -1.91 -1.459 2.79
Survival (%) -0.58 1.117 -0.65
Calving Sub Index -0.65
Gestation Length (days) 0.71 -0.919 -0.65
Beef Sub Index -1.85
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 5.87 -0.432 -2.53
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 6.70

* Based on an €80/tonne carbon price