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 24.91
Milk (kg) -515.00 -0.014 7.21
Fat (kg) -21.49 -0.375 8.05
Prot (kg) -21.87 -0.441 9.65
Fertility Sub Index 6.70
Calving Interval (days) -3.91 -1.459 5.70
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.68
Gestation Length (days) -0.74 -0.919 0.68
Beef Sub Index 0.19
Carcass Weight (kg) -1.90 -0.528 1.00
Age of Slaughter (days) 1.88 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 3.10
Live WT (kg) -10.10 -0.307 3.10
Total Carbon Sub Index 35.57

* Based on an €80/tonne carbon price