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 6.19
Milk (kg) -230.00 -0.014 3.22
Fat (kg) -0.84 -0.375 0.31
Prot (kg) -6.02 -0.441 2.66
Fertility Sub Index 3.50
Calving Interval (days) -2.58 -1.459 3.76
Survival (%) -0.24 1.117 -0.27
Calving Sub Index 0.72
Gestation Length (days) -0.78 -0.919 0.72
Beef Sub Index 0.23
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 2.90 -0.432 -1.25
Maintenance Sub Index Maint. Sub Index 6.77
Live WT (kg) -22.10 -0.307 6.77
Total Carbon Sub Index 17.40

* Based on an €80/tonne carbon price