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 19.75
Milk (kg) -478.00 -0.014 6.69
Fat (kg) -16.67 -0.375 6.24
Prot (kg) -15.43 -0.441 6.81
Fertility Sub Index 6.34
Calving Interval (days) -2.75 -1.459 4.01
Survival (%) 2.08 1.117 2.32
Calving Sub Index -1.43
Gestation Length (days) 1.56 -0.919 -1.43
Beef Sub Index -2.61
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 8.25 -0.432 -3.56
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 28.29

* Based on an €80/tonne carbon price