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 9.62
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -4.38 -0.375 1.64
Prot (kg) -13.04 -0.441 5.76
Fertility Sub Index 4.40
Calving Interval (days) -2.57 -1.459 3.75
Survival (%) 0.58 1.117 0.65
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index 0.20
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.62 -0.432 -0.70
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 16.55

* Based on an €80/tonne carbon price