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 3.15
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -3.06 -0.375 1.15
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index 0.45
Calving Interval (days) -0.57 -1.459 0.83
Survival (%) -0.34 1.117 -0.38
Calving Sub Index 0.40
Gestation Length (days) -0.43 -0.919 0.40
Beef Sub Index 0.03
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 0.74
Live WT (kg) -2.40 -0.307 0.74
Total Carbon Sub Index 4.77

* Based on an €80/tonne carbon price