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 4.17
Milk (kg) -94.00 -0.014 1.32
Fat (kg) -0.51 -0.375 0.19
Prot (kg) -6.03 -0.441 2.66
Fertility Sub Index -4.37
Calving Interval (days) 3.32 -1.459 -4.84
Survival (%) 0.42 1.117 0.47
Calving Sub Index -0.23
Gestation Length (days) 0.25 -0.919 -0.23
Beef Sub Index -2.45
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 3.71 -0.432 -1.60
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -2.58

* Based on an €80/tonne carbon price