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 4.50
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -2.37 -0.375 0.89
Prot (kg) -3.74 -0.441 1.65
Fertility Sub Index -0.62
Calving Interval (days) 0.17 -1.459 -0.25
Survival (%) -0.33 1.117 -0.37
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.50
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 3.13 -0.432 -1.35
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 5.77

* Based on an €80/tonne carbon price