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 4.92
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -4.51 -0.375 1.69
Prot (kg) -4.40 -0.441 1.94
Fertility Sub Index -0.96
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) -1.54 1.117 -1.72
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index -1.95
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 7.57 -0.432 -3.27
Maintenance Sub Index Maint. Sub Index 6.16
Live WT (kg) -20.10 -0.307 6.16
Total Carbon Sub Index 8.43

* Based on an €80/tonne carbon price