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 4.29
Milk (kg) -30.00 -0.014 0.42
Fat (kg) -4.22 -0.375 1.58
Prot (kg) -5.18 -0.441 2.29
Fertility Sub Index 3.96
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 0.78 1.117 0.87
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 1.44
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) -0.40 -0.432 0.17
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index 18.09

* Based on an €80/tonne carbon price