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 2.41
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -1.77 -0.441 0.78
Fertility Sub Index 1.84
Calving Interval (days) -0.81 -1.459 1.18
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.81
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.08 -0.432 -0.03
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 6.73

* Based on an €80/tonne carbon price