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 10.15
Milk (kg) -120.00 -0.014 1.68
Fat (kg) -12.53 -0.375 4.69
Prot (kg) -8.55 -0.441 3.77
Fertility Sub Index -1.43
Calving Interval (days) 1.54 -1.459 -2.25
Survival (%) 0.73 1.117 0.82
Calving Sub Index 2.05
Gestation Length (days) -2.23 -0.919 2.05
Beef Sub Index 0.82
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index -2.76
Live WT (kg) 9.00 -0.307 -2.76
Total Carbon Sub Index 8.82

* Based on an €80/tonne carbon price