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 6.49
Milk (kg) -126.00 -0.014 1.76
Fat (kg) -4.90 -0.375 1.84
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index 0.88
Calving Interval (days) -0.36 -1.459 0.53
Survival (%) 0.32 1.117 0.36
Calving Sub Index -0.30
Gestation Length (days) 0.33 -0.919 -0.30
Beef Sub Index -0.54
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 3.08 -0.432 -1.33
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 6.61

* Based on an €80/tonne carbon price