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 6.22
Milk (kg) -175.00 -0.014 2.45
Fat (kg) -4.67 -0.375 1.75
Prot (kg) -4.58 -0.441 2.02
Fertility Sub Index 6.46
Calving Interval (days) -3.79 -1.459 5.53
Survival (%) 0.83 1.117 0.93
Calving Sub Index 0.99
Gestation Length (days) -1.08 -0.919 0.99
Beef Sub Index 0.64
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 3.25
Live WT (kg) -10.60 -0.307 3.25
Total Carbon Sub Index 17.56

* Based on an €80/tonne carbon price