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 2.11
Milk (kg) -35.00 -0.014 0.49
Fat (kg) -2.11 -0.375 0.79
Prot (kg) -1.87 -0.441 0.83
Fertility Sub Index 0.74
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.01 1.117 0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.11
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.05
Live WT (kg) -6.70 -0.307 2.05
Total Carbon Sub Index 4.54

* Based on an €80/tonne carbon price