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 1.04
Milk (kg) -46.00 -0.014 0.64
Fat (kg) 0.07 -0.375 -0.03
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 4.15
Calving Interval (days) -1.59 -1.459 2.32
Survival (%) 1.64 1.117 1.83
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.06
Carcass Weight (kg) -7.50 -0.528 3.96
Age of Slaughter (days) 9.03 -0.432 -3.90
Maintenance Sub Index Maint. Sub Index 9.29
Live WT (kg) -30.30 -0.307 9.29
Total Carbon Sub Index 15.31

* Based on an €80/tonne carbon price