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 15.36
Milk (kg) -359.00 -0.014 5.03
Fat (kg) -15.08 -0.375 5.65
Prot (kg) -10.61 -0.441 4.68
Fertility Sub Index 4.08
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 0.27 1.117 0.30
Calving Sub Index -1.68
Gestation Length (days) 1.83 -0.919 -1.68
Beef Sub Index 2.24
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) -5.81 -0.432 2.51
Maintenance Sub Index Maint. Sub Index 5.52
Live WT (kg) -18.00 -0.307 5.52
Total Carbon Sub Index 25.52

* Based on an €80/tonne carbon price