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 9.81
Milk (kg) -307.00 -0.014 4.30
Fat (kg) -4.83 -0.375 1.81
Prot (kg) -8.38 -0.441 3.70
Fertility Sub Index 9.21
Calving Interval (days) -5.54 -1.459 8.08
Survival (%) 1.01 1.117 1.13
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.26
Carcass Weight (kg) 0.20 -0.528 -0.11
Age of Slaughter (days) 0.36 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 26.27

* Based on an €80/tonne carbon price