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 2.64
Milk (kg) -84.00 -0.014 1.18
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -0.83 -0.441 0.37
Fertility Sub Index -0.64
Calving Interval (days) 1.28 -1.459 -1.87
Survival (%) 1.10 1.117 1.23
Calving Sub Index -0.76
Gestation Length (days) 0.83 -0.919 -0.76
Beef Sub Index -1.04
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 6.33 -0.432 -2.73
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 5.70

* Based on an €80/tonne carbon price