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 -3.91
Milk (kg) 75.00 -0.014 -1.05
Fat (kg) 2.79 -0.375 -1.05
Prot (kg) 4.12 -0.441 -1.82
Fertility Sub Index -1.28
Calving Interval (days) 1.17 -1.459 -1.71
Survival (%) 0.38 1.117 0.42
Calving Sub Index 2.62
Gestation Length (days) -2.85 -0.919 2.62
Beef Sub Index -1.30
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 5.33 -0.432 -2.30
Maintenance Sub Index Maint. Sub Index 1.23
Live WT (kg) -4.00 -0.307 1.23
Total Carbon Sub Index -2.65

* Based on an €80/tonne carbon price