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 5.44
Milk (kg) -153.00 -0.014 2.14
Fat (kg) -0.65 -0.375 0.24
Prot (kg) -6.92 -0.441 3.05
Fertility Sub Index 5.06
Calving Interval (days) -3.11 -1.459 4.54
Survival (%) 0.47 1.117 0.53
Calving Sub Index -0.34
Gestation Length (days) 0.37 -0.919 -0.34
Beef Sub Index 0.02
Carcass Weight (kg) -0.60 -0.528 0.32
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 12.01

* Based on an €80/tonne carbon price