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 6.26
Milk (kg) -128.00 -0.014 1.79
Fat (kg) -5.24 -0.375 1.96
Prot (kg) -5.67 -0.441 2.50
Fertility Sub Index 5.62
Calving Interval (days) -3.25 -1.459 4.74
Survival (%) 0.79 1.117 0.88
Calving Sub Index 0.61
Gestation Length (days) -0.66 -0.919 0.61
Beef Sub Index -2.19
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 3.24 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 11.96

* Based on an €80/tonne carbon price