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 -2.70
Milk (kg) 41.00 -0.014 -0.57
Fat (kg) 5.09 -0.375 -1.91
Prot (kg) 0.50 -0.441 -0.22
Fertility Sub Index -0.05
Calving Interval (days) -0.02 -1.459 0.03
Survival (%) -0.07 1.117 -0.08
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.15
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 2.21 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 0.31
Live WT (kg) -1.00 -0.307 0.31
Total Carbon Sub Index -2.76

* Based on an €80/tonne carbon price