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) -88.00 -0.014 1.23
Fat (kg) -3.15 -0.375 1.18
Prot (kg) -5.00 -0.441 2.21
Fertility Sub Index 6.38
Calving Interval (days) -3.59 -1.459 5.24
Survival (%) 1.02 1.117 1.14
Calving Sub Index -0.60
Gestation Length (days) 0.65 -0.919 -0.60
Beef Sub Index -0.47
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 3.05 -0.432 -1.32
Maintenance Sub Index Maint. Sub Index -0.64
Live WT (kg) 2.10 -0.307 -0.64
Total Carbon Sub Index 9.28

* Based on an €80/tonne carbon price