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 6.15
Milk (kg) -194.00 -0.014 2.72
Fat (kg) -1.12 -0.375 0.42
Prot (kg) -6.83 -0.441 3.01
Fertility Sub Index -3.09
Calving Interval (days) 1.29 -1.459 -1.88
Survival (%) -1.08 1.117 -1.21
Calving Sub Index -0.22
Gestation Length (days) 0.24 -0.919 -0.22
Beef Sub Index 0.13
Carcass Weight (kg) -0.50 -0.528 0.26
Age of Slaughter (days) 0.32 -0.432 -0.14
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 4.44

* Based on an €80/tonne carbon price