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 6.32
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -7.44 -0.375 2.79
Prot (kg) -3.40 -0.441 1.50
Fertility Sub Index 0.83
Calving Interval (days) -0.83 -1.459 1.21
Survival (%) -0.34 1.117 -0.38
Calving Sub Index -0.11
Gestation Length (days) 0.12 -0.919 -0.11
Beef Sub Index -0.09
Carcass Weight (kg) -4.20 -0.528 2.22
Age of Slaughter (days) 5.35 -0.432 -2.31
Maintenance Sub Index Maint. Sub Index 0.49
Live WT (kg) -1.60 -0.307 0.49
Total Carbon Sub Index 7.44

* Based on an €80/tonne carbon price