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 12.23
Milk (kg) -191.00 -0.014 2.67
Fat (kg) -14.03 -0.375 5.26
Prot (kg) -9.75 -0.441 4.30
Fertility Sub Index 1.65
Calving Interval (days) -0.88 -1.459 1.28
Survival (%) 0.33 1.117 0.37
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.02
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 5.98
Live WT (kg) -19.50 -0.307 5.98
Total Carbon Sub Index 23.58

* Based on an €80/tonne carbon price