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 4.54
Milk (kg) -39.00 -0.014 0.55
Fat (kg) -4.49 -0.375 1.68
Prot (kg) -5.24 -0.441 2.31
Fertility Sub Index 1.01
Calving Interval (days) -0.99 -1.459 1.44
Survival (%) -0.39 1.117 -0.44
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 0.45
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 2.01 -0.432 -0.87
Maintenance Sub Index Maint. Sub Index 1.21
Live WT (kg) -3.95 -0.307 1.21
Total Carbon Sub Index 7.44

* Based on an €80/tonne carbon price