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 6.38
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -8.14 -0.375 3.05
Prot (kg) -3.80 -0.441 1.68
Fertility Sub Index 2.82
Calving Interval (days) -0.96 -1.459 1.40
Survival (%) 1.27 1.117 1.42
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -3.60
Carcass Weight (kg) 3.90 -0.528 -2.06
Age of Slaughter (days) 3.57 -0.432 -1.54
Maintenance Sub Index Maint. Sub Index -2.02
Live WT (kg) 6.60 -0.307 -2.02
Total Carbon Sub Index 4.33

* Based on an €80/tonne carbon price