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 4.62
Milk (kg) -28.00 -0.014 0.39
Fat (kg) -5.88 -0.375 2.20
Prot (kg) -4.60 -0.441 2.03
Fertility Sub Index -6.88
Calving Interval (days) 3.61 -1.459 -5.27
Survival (%) -1.44 1.117 -1.61
Calving Sub Index 0.06
Gestation Length (days) -0.06 -0.919 0.06
Beef Sub Index -1.60
Carcass Weight (kg) 1.90 -0.528 -1.00
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 0.12
Live WT (kg) -0.40 -0.307 0.12
Total Carbon Sub Index -3.68

* Based on an €80/tonne carbon price