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 2.34
Milk (kg) -61.00 -0.014 0.85
Fat (kg) -1.61 -0.375 0.60
Prot (kg) -2.00 -0.441 0.88
Fertility Sub Index 3.04
Calving Interval (days) -1.57 -1.459 2.29
Survival (%) 0.67 1.117 0.75
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 0.53
Carcass Weight (kg) -4.60 -0.528 2.43
Age of Slaughter (days) 4.39 -0.432 -1.90
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 16.25

* Based on an €80/tonne carbon price