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 1.78
Milk (kg) -36.00 -0.014 0.50
Fat (kg) -1.59 -0.375 0.60
Prot (kg) -1.54 -0.441 0.68
Fertility Sub Index 4.18
Calving Interval (days) -2.10 -1.459 3.06
Survival (%) 1.00 1.117 1.12
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 0.25
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.20 -0.432 -1.38
Maintenance Sub Index Maint. Sub Index 6.87
Live WT (kg) -22.40 -0.307 6.87
Total Carbon Sub Index 18.05

* Based on an €80/tonne carbon price