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 0.69
Milk (kg) -94.00 -0.014 1.32
Fat (kg) 1.58 -0.375 -0.59
Prot (kg) 0.07 -0.441 -0.03
Fertility Sub Index 2.22
Calving Interval (days) 0.08 -1.459 -0.12
Survival (%) 2.09 1.117 2.33
Calving Sub Index 2.49
Gestation Length (days) -2.71 -0.919 2.49
Beef Sub Index -5.37
Carcass Weight (kg) 9.10 -0.528 -4.80
Age of Slaughter (days) 1.32 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index -2.45
Live WT (kg) 8.00 -0.307 -2.45
Total Carbon Sub Index -2.43

* Based on an €80/tonne carbon price