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 12.14
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -4.23 -0.375 1.58
Prot (kg) -13.99 -0.441 6.17
Fertility Sub Index 3.37
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 1.73
Carcass Weight (kg) -5.90 -0.528 3.11
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 6.47
Live WT (kg) -21.10 -0.307 6.47
Total Carbon Sub Index 24.12

* Based on an €80/tonne carbon price