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 -3.63
Milk (kg) 93.00 -0.014 -1.30
Fat (kg) 7.74 -0.375 -2.90
Prot (kg) -1.30 -0.441 0.57
Fertility Sub Index 1.31
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) 0.45 1.117 0.50
Calving Sub Index -0.42
Gestation Length (days) 0.46 -0.919 -0.42
Beef Sub Index -0.80
Carcass Weight (kg) -0.30 -0.528 0.16
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 0.25
Live WT (kg) -0.80 -0.307 0.25
Total Carbon Sub Index -3.30

* Based on an €80/tonne carbon price