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 9.43
Milk (kg) -238.00 -0.014 3.33
Fat (kg) -4.00 -0.375 1.50
Prot (kg) -10.42 -0.441 4.60
Fertility Sub Index 2.60
Calving Interval (days) -2.47 -1.459 3.60
Survival (%) -0.90 1.117 -1.01
Calving Sub Index 2.35
Gestation Length (days) -2.56 -0.919 2.35
Beef Sub Index 0.13
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.26 -0.432 -0.98
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 18.52

* Based on an €80/tonne carbon price