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 8.27
Milk (kg) -203.00 -0.014 2.84
Fat (kg) -7.10 -0.375 2.66
Prot (kg) -6.27 -0.441 2.77
Fertility Sub Index 7.01
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 1.87 1.117 2.09
Calving Sub Index 0.64
Gestation Length (days) -0.70 -0.919 0.64
Beef Sub Index 2.84
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 25.37

* Based on an €80/tonne carbon price