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 1.03
Milk (kg) 7.00 -0.014 -0.10
Fat (kg) -1.07 -0.375 0.40
Prot (kg) -1.65 -0.441 0.73
Fertility Sub Index 5.45
Calving Interval (days) -4.77 -1.459 6.96
Survival (%) -1.35 1.117 -1.51
Calving Sub Index -3.25
Gestation Length (days) 3.54 -0.919 -3.25
Beef Sub Index 1.08
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) -3.23 -0.432 1.39
Maintenance Sub Index Maint. Sub Index 2.39
Live WT (kg) -7.80 -0.307 2.39
Total Carbon Sub Index 6.69

* Based on an €80/tonne carbon price