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 16.00
Milk (kg) -467.00 -0.014 6.54
Fat (kg) -12.25 -0.375 4.59
Prot (kg) -11.05 -0.441 4.88
Fertility Sub Index 5.85
Calving Interval (days) -3.42 -1.459 4.99
Survival (%) 0.77 1.117 0.86
Calving Sub Index 1.35
Gestation Length (days) -1.47 -0.919 1.35
Beef Sub Index 1.08
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.65 -0.432 -0.71
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 27.90

* Based on an €80/tonne carbon price