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 4.71
Milk (kg) -117.00 -0.014 1.64
Fat (kg) -5.23 -0.375 1.96
Prot (kg) -2.53 -0.441 1.12
Fertility Sub Index -0.62
Calving Interval (days) 1.06 -1.459 -1.55
Survival (%) 0.83 1.117 0.93
Calving Sub Index -0.70
Gestation Length (days) 0.76 -0.919 -0.70
Beef Sub Index -1.12
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 5.78 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 7.91

* Based on an €80/tonne carbon price