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 3.84
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -2.88 -0.375 1.08
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index 5.94
Calving Interval (days) -2.92 -1.459 4.26
Survival (%) 1.50 1.117 1.68
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 2.99
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -3.02 -0.432 1.30
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 22.05

* Based on an €80/tonne carbon price