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 3.44
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) -7.04 -0.375 2.64
Prot (kg) -2.01 -0.441 0.89
Fertility Sub Index -3.18
Calving Interval (days) 1.29 -1.459 -1.88
Survival (%) -1.16 1.117 -1.30
Calving Sub Index -1.31
Gestation Length (days) 1.42 -0.919 -1.31
Beef Sub Index -4.94
Carcass Weight (kg) 4.50 -0.528 -2.37
Age of Slaughter (days) 5.94 -0.432 -2.56
Maintenance Sub Index Maint. Sub Index -0.25
Live WT (kg) 0.80 -0.307 -0.25
Total Carbon Sub Index -6.22

* Based on an €80/tonne carbon price