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 1.50
Milk (kg) -117.00 -0.014 1.64
Fat (kg) 1.84 -0.375 -0.69
Prot (kg) -1.25 -0.441 0.55
Fertility Sub Index 1.91
Calving Interval (days) -1.54 -1.459 2.25
Survival (%) -0.30 1.117 -0.34
Calving Sub Index 0.87
Gestation Length (days) -0.95 -0.919 0.87
Beef Sub Index 7.18
Carcass Weight (kg) -12.90 -0.528 6.80
Age of Slaughter (days) -0.86 -0.432 0.37
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 17.78

* Based on an €80/tonne carbon price