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 6.79
Milk (kg) -135.00 -0.014 1.89
Fat (kg) -7.09 -0.375 2.66
Prot (kg) -5.09 -0.441 2.25
Fertility Sub Index 6.10
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) 1.57 1.117 1.75
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index 1.02
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -3.10 -0.432 1.34
Maintenance Sub Index Maint. Sub Index 3.56
Live WT (kg) -11.60 -0.307 3.56
Total Carbon Sub Index 16.69

* Based on an €80/tonne carbon price