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 7.44
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -6.02 -0.375 2.25
Prot (kg) -7.30 -0.441 3.22
Fertility Sub Index 0.14
Calving Interval (days) -0.14 -1.459 0.20
Survival (%) -0.06 1.117 -0.07
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index 0.25
Carcass Weight (kg) -2.95 -0.528 1.56
Age of Slaughter (days) 3.02 -0.432 -1.30
Maintenance Sub Index Maint. Sub Index 1.32
Live WT (kg) -4.30 -0.307 1.32
Total Carbon Sub Index 10.24

* Based on an €80/tonne carbon price