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 6.02
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -7.28 -0.375 2.73
Prot (kg) -4.20 -0.441 1.85
Fertility Sub Index 0.25
Calving Interval (days) 0.25 -1.459 -0.36
Survival (%) 0.55 1.117 0.61
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 0.66
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 0.91 -0.432 -0.39
Maintenance Sub Index Maint. Sub Index 5.12
Live WT (kg) -16.70 -0.307 5.12
Total Carbon Sub Index 14.90

* Based on an €80/tonne carbon price