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 -1.42
Milk (kg) 6.00 -0.014 -0.08
Fat (kg) 0.53 -0.375 -0.20
Prot (kg) 2.58 -0.441 -1.14
Fertility Sub Index -4.89
Calving Interval (days) 3.05 -1.459 -4.45
Survival (%) -0.39 1.117 -0.44
Calving Sub Index -1.90
Gestation Length (days) 2.07 -0.919 -1.90
Beef Sub Index -3.75
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 11.00 -0.432 -4.75
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -11.65

* Based on an €80/tonne carbon price