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 15.79
Milk (kg) -331.00 -0.014 4.63
Fat (kg) -16.94 -0.375 6.35
Prot (kg) -10.91 -0.441 4.82
Fertility Sub Index 9.57
Calving Interval (days) -6.20 -1.459 9.05
Survival (%) 0.47 1.117 0.53
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.17
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -1.13 -0.432 0.49
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 27.46

* Based on an €80/tonne carbon price