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 0.51
Milk (kg) -71.00 -0.014 0.99
Fat (kg) 1.61 -0.375 -0.60
Prot (kg) -0.28 -0.441 0.12
Fertility Sub Index 3.25
Calving Interval (days) -1.67 -1.459 2.44
Survival (%) 0.73 1.117 0.82
Calving Sub Index 0.27
Gestation Length (days) -0.29 -0.919 0.27
Beef Sub Index 0.42
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.09 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 5.86
Live WT (kg) -19.10 -0.307 5.86
Total Carbon Sub Index 10.30

* Based on an €80/tonne carbon price