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 4.34
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -1.78 -0.375 0.67
Prot (kg) -4.01 -0.441 1.77
Fertility Sub Index 1.85
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 0.56 1.117 0.63
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.53
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.24 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 17.28

* Based on an €80/tonne carbon price