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 5.61
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 2.08
Calving Interval (days) -1.24 -1.459 1.81
Survival (%) 0.24 1.117 0.27
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.43
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.08 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 9.61

* Based on an €80/tonne carbon price