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 16.22
Milk (kg) -367.00 -0.014 5.14
Fat (kg) -10.85 -0.375 4.06
Prot (kg) -15.89 -0.441 7.01
Fertility Sub Index 1.33
Calving Interval (days) -0.30 -1.459 0.44
Survival (%) 0.80 1.117 0.89
Calving Sub Index 0.71
Gestation Length (days) -0.77 -0.919 0.71
Beef Sub Index 2.50
Carcass Weight (kg) -7.80 -0.528 4.11
Age of Slaughter (days) 3.73 -0.432 -1.61
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 26.45

* Based on an €80/tonne carbon price