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 -4.31
Milk (kg) 147.00 -0.014 -2.06
Fat (kg) 9.88 -0.375 -3.70
Prot (kg) -3.29 -0.441 1.45
Fertility Sub Index -1.93
Calving Interval (days) 1.05 -1.459 -1.53
Survival (%) -0.36 1.117 -0.40
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.92
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 1.89 -0.432 -0.82
Maintenance Sub Index Maint. Sub Index 1.10
Live WT (kg) -3.60 -0.307 1.10
Total Carbon Sub Index -4.69

* Based on an €80/tonne carbon price