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 2.95
Milk (kg) -48.00 -0.014 0.67
Fat (kg) -2.96 -0.375 1.11
Prot (kg) -2.66 -0.441 1.17
Fertility Sub Index 0.60
Calving Interval (days) -0.26 -1.459 0.38
Survival (%) 0.20 1.117 0.22
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.65
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) 2.15 -0.432 -0.93
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 14.34

* Based on an €80/tonne carbon price