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 4.47
Milk (kg) -74.00 -0.014 1.04
Fat (kg) -4.61 -0.375 1.73
Prot (kg) -3.86 -0.441 1.70
Fertility Sub Index 0.73
Calving Interval (days) -0.51 -1.459 0.74
Survival (%) -0.01 1.117 -0.01
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.09
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 2.15
Live WT (kg) -7.00 -0.307 2.15
Total Carbon Sub Index 6.97

* Based on an €80/tonne carbon price