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 2.19
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -1.23 -0.375 0.46
Prot (kg) -1.23 -0.441 0.54
Fertility Sub Index 0.33
Calving Interval (days) 0.42 -1.459 -0.61
Survival (%) 0.84 1.117 0.94
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.62
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.84 -0.432 -1.23
Maintenance Sub Index Maint. Sub Index 5.79
Live WT (kg) -18.90 -0.307 5.79
Total Carbon Sub Index 13.90

* Based on an €80/tonne carbon price