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 4.88
Milk (kg) -119.00 -0.014 1.67
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -3.83 -0.441 1.69
Fertility Sub Index 5.70
Calving Interval (days) -3.51 -1.459 5.12
Survival (%) 0.52 1.117 0.58
Calving Sub Index 1.27
Gestation Length (days) -1.38 -0.919 1.27
Beef Sub Index 2.01
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 0.72 -0.432 -0.31
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 17.48

* Based on an €80/tonne carbon price