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 7.11
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -7.51 -0.375 2.81
Prot (kg) -5.89 -0.441 2.60
Fertility Sub Index -5.79
Calving Interval (days) 4.12 -1.459 -6.01
Survival (%) 0.20 1.117 0.22
Calving Sub Index -1.92
Gestation Length (days) 2.09 -0.919 -1.92
Beef Sub Index 0.05
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 3.79 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 3.59
Live WT (kg) -11.70 -0.307 3.59
Total Carbon Sub Index 3.04

* Based on an €80/tonne carbon price