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 3.62
Milk (kg) 11.00 -0.014 -0.15
Fat (kg) -7.33 -0.375 2.75
Prot (kg) -2.33 -0.441 1.03
Fertility Sub Index -2.18
Calving Interval (days) 0.85 -1.459 -1.24
Survival (%) -0.84 1.117 -0.94
Calving Sub Index -2.32
Gestation Length (days) 2.52 -0.919 -2.32
Beef Sub Index -7.79
Carcass Weight (kg) 13.30 -0.528 -7.02
Age of Slaughter (days) 1.79 -0.432 -0.77
Maintenance Sub Index Maint. Sub Index -6.44
Live WT (kg) 21.00 -0.307 -6.44
Total Carbon Sub Index -15.10

* Based on an €80/tonne carbon price