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 5.36
Milk (kg) -89.00 -0.014 1.25
Fat (kg) -7.59 -0.375 2.84
Prot (kg) -2.88 -0.441 1.27
Fertility Sub Index 4.71
Calving Interval (days) -1.96 -1.459 2.86
Survival (%) 1.66 1.117 1.85
Calving Sub Index 0.40
Gestation Length (days) -0.44 -0.919 0.40
Beef Sub Index 0.90
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 2.07 -0.432 -0.89
Maintenance Sub Index Maint. Sub Index 2.67
Live WT (kg) -8.70 -0.307 2.67
Total Carbon Sub Index 14.05

* Based on an €80/tonne carbon price