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 1.87
Milk (kg) -113.00 -0.014 1.58
Fat (kg) -0.02 -0.375 0.01
Prot (kg) -0.63 -0.441 0.28
Fertility Sub Index 2.20
Calving Interval (days) -0.25 -1.459 0.36
Survival (%) 1.64 1.117 1.83
Calving Sub Index -0.46
Gestation Length (days) 0.50 -0.919 -0.46
Beef Sub Index 1.29
Carcass Weight (kg) -4.80 -0.528 2.53
Age of Slaughter (days) 2.88 -0.432 -1.24
Maintenance Sub Index Maint. Sub Index 2.54
Live WT (kg) -8.30 -0.307 2.54
Total Carbon Sub Index 7.44

* Based on an €80/tonne carbon price