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 3.96
Milk (kg) 5.00 -0.014 -0.07
Fat (kg) -8.52 -0.375 3.19
Prot (kg) -1.90 -0.441 0.84
Fertility Sub Index 3.04
Calving Interval (days) -2.14 -1.459 3.12
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.73
Gestation Length (days) 0.79 -0.919 -0.73
Beef Sub Index -1.21
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 2.93 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 0.95
Live WT (kg) -3.10 -0.307 0.95
Total Carbon Sub Index 6.01

* Based on an €80/tonne carbon price