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 1.98
Milk (kg) -75.00 -0.014 1.05
Fat (kg) -1.33 -0.375 0.50
Prot (kg) -0.97 -0.441 0.43
Fertility Sub Index 3.25
Calving Interval (days) -1.75 -1.459 2.55
Survival (%) 0.62 1.117 0.69
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 3.27
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 0.50 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 18.73

* Based on an €80/tonne carbon price