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 7.88
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -9.66 -0.375 3.62
Prot (kg) -8.06 -0.441 3.56
Fertility Sub Index 4.78
Calving Interval (days) -2.96 -1.459 4.32
Survival (%) 0.41 1.117 0.46
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 1.99
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 2.00 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 18.15

* Based on an €80/tonne carbon price