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 1.42
Milk (kg) -6.00 -0.014 0.08
Fat (kg) -2.93 -0.375 1.10
Prot (kg) -0.55 -0.441 0.24
Fertility Sub Index 2.50
Calving Interval (days) -1.49 -1.459 2.17
Survival (%) 0.29 1.117 0.32
Calving Sub Index -0.01
Gestation Length (days) 0.01 -0.919 -0.01
Beef Sub Index 2.27
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) -0.99 -0.432 0.43
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 8.45

* Based on an €80/tonne carbon price