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 2.04
Milk (kg) -2.00 -0.014 0.03
Fat (kg) -4.74 -0.375 1.78
Prot (kg) -0.54 -0.441 0.24
Fertility Sub Index 3.68
Calving Interval (days) -1.92 -1.459 2.80
Survival (%) 0.79 1.117 0.88
Calving Sub Index -0.24
Gestation Length (days) 0.26 -0.919 -0.24
Beef Sub Index 1.18
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 2.51 -0.432 -1.08
Maintenance Sub Index Maint. Sub Index 5.03
Live WT (kg) -16.40 -0.307 5.03
Total Carbon Sub Index 11.70

* Based on an €80/tonne carbon price