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 2.15
Milk (kg) -21.00 -0.014 0.29
Fat (kg) -2.29 -0.375 0.86
Prot (kg) -2.26 -0.441 1.00
Fertility Sub Index 3.83
Calving Interval (days) -2.15 -1.459 3.14
Survival (%) 0.62 1.117 0.69
Calving Sub Index -0.41
Gestation Length (days) 0.45 -0.919 -0.41
Beef Sub Index 0.82
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 0.05 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 8.72

* Based on an €80/tonne carbon price