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 6.56
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 3.69
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index -1.57
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 5.22 -0.432 -2.25
Maintenance Sub Index Maint. Sub Index 4.02
Live WT (kg) -13.10 -0.307 4.02
Total Carbon Sub Index 13.66

* Based on an €80/tonne carbon price