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 4.52
Milk (kg) -116.00 -0.014 1.62
Fat (kg) -2.69 -0.375 1.01
Prot (kg) -4.28 -0.441 1.89
Fertility Sub Index 6.12
Calving Interval (days) -2.28 -1.459 3.33
Survival (%) 2.50 1.117 2.79
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.79
Carcass Weight (kg) 0.90 -0.528 -0.47
Age of Slaughter (days) 0.74 -0.432 -0.32
Maintenance Sub Index Maint. Sub Index 3.03
Live WT (kg) -9.90 -0.307 3.03
Total Carbon Sub Index 16.69

* Based on an €80/tonne carbon price