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 -4.28
Milk (kg) -20.00 -0.014 0.28
Fat (kg) 8.68 -0.375 -3.25
Prot (kg) 2.97 -0.441 -1.31
Fertility Sub Index 0.48
Calving Interval (days) -0.89 -1.459 1.30
Survival (%) -0.73 1.117 -0.82
Calving Sub Index 3.48
Gestation Length (days) -3.79 -0.919 3.48
Beef Sub Index 1.69
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 1.95 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index 0.58
Live WT (kg) -1.90 -0.307 0.58
Total Carbon Sub Index 1.95

* Based on an €80/tonne carbon price