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 6.95
Milk (kg) -148.00 -0.014 2.07
Fat (kg) -8.98 -0.375 3.36
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 0.39
Calving Interval (days) -0.41 -1.459 0.60
Survival (%) -0.19 1.117 -0.21
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index -0.94
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 4.37 -0.432 -1.89
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 11.82

* Based on an €80/tonne carbon price