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 3.48
Milk (kg) -90.00 -0.014 1.26
Fat (kg) -1.54 -0.375 0.58
Prot (kg) -3.72 -0.441 1.64
Fertility Sub Index -0.05
Calving Interval (days) 0.27 -1.459 -0.39
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.29
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index -0.37
Live WT (kg) 1.20 -0.307 -0.37
Total Carbon Sub Index 3.92

* Based on an €80/tonne carbon price