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 -2.86
Milk (kg) 94.00 -0.014 -1.32
Fat (kg) 3.15 -0.375 -1.18
Prot (kg) 0.82 -0.441 -0.36
Fertility Sub Index -2.09
Calving Interval (days) 1.83 -1.459 -2.67
Survival (%) 0.52 1.117 0.58
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 0.05
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 4.15 -0.432 -1.79
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index -3.73

* Based on an €80/tonne carbon price