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 2.26
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -2.85 -0.375 1.07
Prot (kg) -0.80 -0.441 0.35
Fertility Sub Index -0.77
Calving Interval (days) 1.40 -1.459 -2.04
Survival (%) 1.14 1.117 1.27
Calving Sub Index -0.83
Gestation Length (days) 0.90 -0.919 -0.83
Beef Sub Index -1.56
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 6.78 -0.432 -2.93
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 4.41

* Based on an €80/tonne carbon price