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 10.12
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -5.42 -0.375 2.03
Prot (kg) -13.63 -0.441 6.02
Fertility Sub Index 0.14
Calving Interval (days) -0.21 -1.459 0.31
Survival (%) -0.15 1.117 -0.17
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.23
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.04 -0.432 -0.88
Maintenance Sub Index Maint. Sub Index 1.35
Live WT (kg) -4.40 -0.307 1.35
Total Carbon Sub Index 11.37

* Based on an €80/tonne carbon price