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 1.44
Milk (kg) -90.00 -0.014 1.26
Fat (kg) 0.95 -0.375 -0.36
Prot (kg) -1.21 -0.441 0.53
Fertility Sub Index 4.92
Calving Interval (days) -2.06 -1.459 3.01
Survival (%) 1.71 1.117 1.91
Calving Sub Index 0.29
Gestation Length (days) -0.32 -0.919 0.29
Beef Sub Index 0.08
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 3.24 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 9.27

* Based on an €80/tonne carbon price