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 6.84
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -6.41 -0.375 2.40
Prot (kg) -5.62 -0.441 2.48
Fertility Sub Index 6.98
Calving Interval (days) -3.84 -1.459 5.60
Survival (%) 1.23 1.117 1.37
Calving Sub Index -0.79
Gestation Length (days) 0.86 -0.919 -0.79
Beef Sub Index -1.15
Carcass Weight (kg) 1.50 -0.528 -0.79
Age of Slaughter (days) 0.84 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 2.73
Live WT (kg) -8.90 -0.307 2.73
Total Carbon Sub Index 14.60

* Based on an €80/tonne carbon price