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 3.82
Milk (kg) -93.00 -0.014 1.30
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -3.42 -0.441 1.51
Fertility Sub Index 2.36
Calving Interval (days) -1.22 -1.459 1.78
Survival (%) 0.52 1.117 0.58
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 3.19
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 11.79

* Based on an €80/tonne carbon price