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 5.00
Milk (kg) -23.00 -0.014 0.32
Fat (kg) -9.26 -0.375 3.47
Prot (kg) -2.73 -0.441 1.20
Fertility Sub Index 1.94
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) 0.39 1.117 0.44
Calving Sub Index -1.58
Gestation Length (days) 1.72 -0.919 -1.58
Beef Sub Index -2.35
Carcass Weight (kg) 4.20 -0.528 -2.22
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 2.69

* Based on an €80/tonne carbon price