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 12.95
Milk (kg) -301.00 -0.014 4.21
Fat (kg) -11.09 -0.375 4.15
Prot (kg) -10.38 -0.441 4.58
Fertility Sub Index 7.54
Calving Interval (days) -4.53 -1.459 6.61
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.79
Gestation Length (days) -0.86 -0.919 0.79
Beef Sub Index 0.16
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 24.84

* Based on an €80/tonne carbon price