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 3.85
Milk (kg) -80.00 -0.014 1.12
Fat (kg) -3.26 -0.375 1.22
Prot (kg) -3.41 -0.441 1.51
Fertility Sub Index 4.61
Calving Interval (days) -2.30 -1.459 3.36
Survival (%) 1.12 1.117 1.25
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 3.20
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -3.50 -0.432 1.51
Maintenance Sub Index Maint. Sub Index 6.84
Live WT (kg) -22.30 -0.307 6.84
Total Carbon Sub Index 23.45

* Based on an €80/tonne carbon price