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 1.27
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -1.35 -0.375 0.51
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index 3.81
Calving Interval (days) -2.04 -1.459 2.98
Survival (%) 0.75 1.117 0.84
Calving Sub Index -0.07
Gestation Length (days) 0.08 -0.919 -0.07
Beef Sub Index 0.00
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.84 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 2.08
Live WT (kg) -6.80 -0.307 2.08
Total Carbon Sub Index 7.09

* Based on an €80/tonne carbon price