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 4.46
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -7.26 -0.375 2.72
Prot (kg) -3.84 -0.441 1.69
Fertility Sub Index 2.74
Calving Interval (days) -1.12 -1.459 1.63
Survival (%) 0.99 1.117 1.11
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.73
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 1.25 -0.432 -0.54
Maintenance Sub Index Maint. Sub Index 6.38
Live WT (kg) -20.80 -0.307 6.38
Total Carbon Sub Index 18.00

* Based on an €80/tonne carbon price