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 5.78
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -7.25 -0.375 2.72
Prot (kg) -5.14 -0.441 2.27
Fertility Sub Index 1.22
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.19 1.117 0.21
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.05
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 2.20 -0.432 -0.95
Maintenance Sub Index Maint. Sub Index 0.83
Live WT (kg) -2.70 -0.307 0.83
Total Carbon Sub Index 7.42

* Based on an €80/tonne carbon price