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 6.68
Milk (kg) -225.00 -0.014 3.15
Fat (kg) -2.72 -0.375 1.02
Prot (kg) -5.70 -0.441 2.52
Fertility Sub Index 9.29
Calving Interval (days) -5.60 -1.459 8.17
Survival (%) 1.00 1.117 1.12
Calving Sub Index 0.12
Gestation Length (days) -0.13 -0.919 0.12
Beef Sub Index 2.60
Carcass Weight (kg) -3.00 -0.528 1.58
Age of Slaughter (days) -2.35 -0.432 1.01
Maintenance Sub Index Maint. Sub Index 4.11
Live WT (kg) -13.40 -0.307 4.11
Total Carbon Sub Index 22.80

* Based on an €80/tonne carbon price