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 1.59
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -0.24 -0.375 0.09
Prot (kg) -2.31 -0.441 1.02
Fertility Sub Index -7.32
Calving Interval (days) 4.12 -1.459 -6.01
Survival (%) -1.17 1.117 -1.31
Calving Sub Index 1.90
Gestation Length (days) -2.07 -0.919 1.90
Beef Sub Index 0.24
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.39 -0.432 -0.60
Maintenance Sub Index Maint. Sub Index 0.21
Live WT (kg) -0.70 -0.307 0.21
Total Carbon Sub Index -3.38

* Based on an €80/tonne carbon price