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 5.55
Milk (kg) -187.00 -0.014 2.62
Fat (kg) -2.50 -0.375 0.94
Prot (kg) -4.52 -0.441 1.99
Fertility Sub Index 6.82
Calving Interval (days) -3.97 -1.459 5.79
Survival (%) 0.92 1.117 1.03
Calving Sub Index 0.97
Gestation Length (days) -1.05 -0.919 0.97
Beef Sub Index -0.69
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) 2.94 -0.432 -1.27
Maintenance Sub Index Maint. Sub Index 2.70
Live WT (kg) -8.80 -0.307 2.70
Total Carbon Sub Index 15.34

* Based on an €80/tonne carbon price