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 6.54
Milk (kg) -161.00 -0.014 2.25
Fat (kg) -7.26 -0.375 2.72
Prot (kg) -3.54 -0.441 1.56
Fertility Sub Index -0.56
Calving Interval (days) 1.31 -1.459 -1.91
Survival (%) 1.21 1.117 1.35
Calving Sub Index -0.82
Gestation Length (days) 0.89 -0.919 -0.82
Beef Sub Index -0.93
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 6.06 -0.432 -2.62
Maintenance Sub Index Maint. Sub Index 5.55
Live WT (kg) -18.10 -0.307 5.55
Total Carbon Sub Index 9.78

* Based on an €80/tonne carbon price