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 6.85
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -8.27 -0.375 3.10
Prot (kg) -7.39 -0.441 3.26
Fertility Sub Index 0.37
Calving Interval (days) -0.20 -1.459 0.29
Survival (%) 0.07 1.117 0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.63
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 1.83 -0.432 -0.79
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 6.86

* Based on an €80/tonne carbon price