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 9.85
Milk (kg) -101.00 -0.014 1.41
Fat (kg) -9.95 -0.375 3.73
Prot (kg) -10.66 -0.441 4.70
Fertility Sub Index 1.44
Calving Interval (days) -0.53 -1.459 0.77
Survival (%) 0.60 1.117 0.67
Calving Sub Index -0.18
Gestation Length (days) 0.20 -0.919 -0.18
Beef Sub Index -1.69
Carcass Weight (kg) 0.30 -0.528 -0.16
Age of Slaughter (days) 3.54 -0.432 -1.53
Maintenance Sub Index Maint. Sub Index -1.44
Live WT (kg) 4.70 -0.307 -1.44
Total Carbon Sub Index 7.97

* Based on an €80/tonne carbon price