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 4.70
Milk (kg) -59.00 -0.014 0.83
Fat (kg) -4.80 -0.375 1.80
Prot (kg) -4.71 -0.441 2.08
Fertility Sub Index 4.25
Calving Interval (days) -3.31 -1.459 4.83
Survival (%) -0.52 1.117 -0.58
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index -0.15
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 2.06 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 14.86

* Based on an €80/tonne carbon price