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 10.27
Milk (kg) -308.00 -0.014 4.31
Fat (kg) -8.34 -0.375 3.12
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 4.01
Calving Interval (days) -2.12 -1.459 3.09
Survival (%) 0.82 1.117 0.92
Calving Sub Index -0.14
Gestation Length (days) 0.15 -0.919 -0.14
Beef Sub Index 1.32
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 3.06 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index 1.59
Live WT (kg) -5.20 -0.307 1.59
Total Carbon Sub Index 17.05

* Based on an €80/tonne carbon price