Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index -2.68
Milk (kg) 1.00 -0.014 -0.01
Fat (kg) 7.05 -0.375 -2.64
Prot (kg) 0.06 -0.441 -0.03
Fertility Sub Index 3.73
Calving Interval (days) -2.24 -1.459 3.27
Survival (%) 0.41 1.117 0.46
Calving Sub Index 2.12
Gestation Length (days) -2.31 -0.919 2.12
Beef Sub Index -5.30
Carcass Weight (kg) 1.00 -0.528 -0.53
Age of Slaughter (days) 11.06 -0.432 -4.77
Maintenance Sub Index Maint. Sub Index -3.25
Live WT (kg) 10.60 -0.307 -3.25
Total Carbon Sub Index -5.38

* Based on an €80/tonne carbon price