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 7.69
Milk (kg) -190.00 -0.014 2.66
Fat (kg) -5.84 -0.375 2.19
Prot (kg) -6.44 -0.441 2.84
Fertility Sub Index 6.05
Calving Interval (days) -3.01 -1.459 4.39
Survival (%) 1.48 1.117 1.65
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.05
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -0.96 -0.432 0.41
Maintenance Sub Index Maint. Sub Index 6.62
Live WT (kg) -21.60 -0.307 6.62
Total Carbon Sub Index 26.21

* Based on an €80/tonne carbon price