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 12.75
Milk (kg) -221.00 -0.014 3.09
Fat (kg) -12.80 -0.375 4.79
Prot (kg) -11.01 -0.441 4.86
Fertility Sub Index 4.76
Calving Interval (days) -2.99 -1.459 4.36
Survival (%) 0.36 1.117 0.40
Calving Sub Index 0.36
Gestation Length (days) -0.39 -0.919 0.36
Beef Sub Index 0.42
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.99 -0.432 -0.43
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 20.47

* Based on an €80/tonne carbon price