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 7.12
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -5.49 -0.375 2.06
Prot (kg) -6.44 -0.441 2.84
Fertility Sub Index 2.63
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.79 1.117 0.88
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.61
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 0.18 -0.432 -0.08
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 20.86

* Based on an €80/tonne carbon price