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 0.66
Milk (kg) -14.00 -0.014 0.20
Fat (kg) -0.40 -0.375 0.15
Prot (kg) -0.71 -0.441 0.31
Fertility Sub Index 0.89
Calving Interval (days) -0.52 -1.459 0.76
Survival (%) 0.12 1.117 0.13
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.16
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 1.97 -0.432 -0.85
Maintenance Sub Index Maint. Sub Index 1.78
Live WT (kg) -5.80 -0.307 1.78
Total Carbon Sub Index 2.70

* Based on an €80/tonne carbon price