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 11.76
Milk (kg) -228.00 -0.014 3.19
Fat (kg) -13.26 -0.375 4.97
Prot (kg) -8.16 -0.441 3.60
Fertility Sub Index 0.17
Calving Interval (days) 0.20 -1.459 -0.29
Survival (%) 0.41 1.117 0.46
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.09
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 0.41 -0.432 -0.18
Maintenance Sub Index Maint. Sub Index 4.14
Live WT (kg) -13.50 -0.307 4.14
Total Carbon Sub Index 20.84

* Based on an €80/tonne carbon price