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 11.83
Milk (kg) -239.00 -0.014 3.35
Fat (kg) -6.62 -0.375 2.48
Prot (kg) -13.61 -0.441 6.01
Fertility Sub Index -2.72
Calving Interval (days) 1.23 -1.459 -1.79
Survival (%) -0.83 1.117 -0.93
Calving Sub Index 0.81
Gestation Length (days) -0.88 -0.919 0.81
Beef Sub Index -0.50
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 4.45 -0.432 -1.92
Maintenance Sub Index Maint. Sub Index -2.18
Live WT (kg) 7.10 -0.307 -2.18
Total Carbon Sub Index 7.24

* Based on an €80/tonne carbon price