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 4.08
Milk (kg) -109.00 -0.014 1.53
Fat (kg) -2.89 -0.375 1.08
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 1.50
Calving Interval (days) -0.86 -1.459 1.25
Survival (%) 0.22 1.117 0.25
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 0.20
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 2.35 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 6.88

* Based on an €80/tonne carbon price