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 3.40
Milk (kg) -56.00 -0.014 0.78
Fat (kg) -1.11 -0.375 0.42
Prot (kg) -4.99 -0.441 2.20
Fertility Sub Index 4.90
Calving Interval (days) -2.02 -1.459 2.95
Survival (%) 1.75 1.117 1.96
Calving Sub Index -0.44
Gestation Length (days) 0.48 -0.919 -0.44
Beef Sub Index -1.25
Carcass Weight (kg) 3.60 -0.528 -1.90
Age of Slaughter (days) -1.50 -0.432 0.65
Maintenance Sub Index Maint. Sub Index 0.61
Live WT (kg) -2.00 -0.307 0.61
Total Carbon Sub Index 7.23

* Based on an €80/tonne carbon price