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 2.60
Milk (kg) -55.00 -0.014 0.77
Fat (kg) -2.02 -0.375 0.76
Prot (kg) -2.44 -0.441 1.08
Fertility Sub Index -0.20
Calving Interval (days) -0.17 -1.459 0.25
Survival (%) -0.40 1.117 -0.45
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.06
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 1.85 -0.432 -0.80
Maintenance Sub Index Maint. Sub Index 1.96
Live WT (kg) -6.40 -0.307 1.96
Total Carbon Sub Index 3.84

* Based on an €80/tonne carbon price