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 0.99
Milk (kg) -74.00 -0.014 1.04
Fat (kg) 1.06 -0.375 -0.40
Prot (kg) -0.79 -0.441 0.35
Fertility Sub Index 4.96
Calving Interval (days) -2.73 -1.459 3.98
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.11
Gestation Length (days) -0.12 -0.919 0.11
Beef Sub Index 1.28
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.22 -0.432 -0.09
Maintenance Sub Index Maint. Sub Index 2.27
Live WT (kg) -7.40 -0.307 2.27
Total Carbon Sub Index 9.60

* Based on an €80/tonne carbon price