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) 23.00 -0.014 -0.32
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -5.14 -0.441 2.27
Fertility Sub Index 2.95
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.59 1.117 0.66
Calving Sub Index -0.37
Gestation Length (days) 0.40 -0.919 -0.37
Beef Sub Index -0.26
Carcass Weight (kg) -1.20 -0.528 0.63
Age of Slaughter (days) 2.08 -0.432 -0.90
Maintenance Sub Index Maint. Sub Index 2.58
Live WT (kg) -8.40 -0.307 2.58
Total Carbon Sub Index 8.85

* Based on an €80/tonne carbon price