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 0.05
Milk (kg) -5.00 -0.014 0.07
Fat (kg) 0.49 -0.375 -0.18
Prot (kg) -0.38 -0.441 0.17
Fertility Sub Index 0.68
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.08
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.77 -0.432 -0.76
Maintenance Sub Index Maint. Sub Index 2.02
Live WT (kg) -6.60 -0.307 2.02
Total Carbon Sub Index 2.37

* Based on an €80/tonne carbon price