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 2.10
Milk (kg) -3.00 -0.014 0.04
Fat (kg) -2.23 -0.375 0.84
Prot (kg) -2.76 -0.441 1.22
Fertility Sub Index -6.88
Calving Interval (days) 3.34 -1.459 -4.87
Survival (%) -1.80 1.117 -2.01
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index -0.68
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index -0.09
Live WT (kg) 0.30 -0.307 -0.09
Total Carbon Sub Index -5.98

* Based on an €80/tonne carbon price