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 21.36
Milk (kg) -451.00 -0.014 6.31
Fat (kg) -21.68 -0.375 8.12
Prot (kg) -15.70 -0.441 6.93
Fertility Sub Index 0.99
Calving Interval (days) -0.19 -1.459 0.28
Survival (%) 0.64 1.117 0.72
Calving Sub Index -1.47
Gestation Length (days) 1.60 -0.919 -1.47
Beef Sub Index -2.23
Carcass Weight (kg) 3.00 -0.528 -1.58
Age of Slaughter (days) 1.51 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 22.27

* Based on an €80/tonne carbon price