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 4.62
Milk (kg) -152.00 -0.014 2.13
Fat (kg) -3.86 -0.375 1.45
Prot (kg) -2.36 -0.441 1.04
Fertility Sub Index 2.44
Calving Interval (days) -0.32 -1.459 0.47
Survival (%) 1.77 1.117 1.98
Calving Sub Index -0.50
Gestation Length (days) 0.54 -0.919 -0.50
Beef Sub Index -1.72
Carcass Weight (kg) 2.50 -0.528 -1.32
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 5.21
Live WT (kg) -17.00 -0.307 5.21
Total Carbon Sub Index 10.06

* Based on an €80/tonne carbon price