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 31.85
Milk (kg) -727.00 -0.014 10.18
Fat (kg) -28.20 -0.375 10.56
Prot (kg) -25.18 -0.441 11.11
Fertility Sub Index 0.09
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.64 1.117 -0.72
Calving Sub Index 1.02
Gestation Length (days) -1.11 -0.919 1.02
Beef Sub Index 1.72
Carcass Weight (kg) -0.80 -0.528 0.42
Age of Slaughter (days) -3.00 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 38.36

* Based on an €80/tonne carbon price