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 4.58
Milk (kg) -50.00 -0.014 0.70
Fat (kg) -6.85 -0.375 2.57
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index -12.89
Calving Interval (days) 7.06 -1.459 -10.30
Survival (%) -2.32 1.117 -2.59
Calving Sub Index 1.55
Gestation Length (days) -1.69 -0.919 1.55
Beef Sub Index -0.03
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 6.19 -0.432 -2.67
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index -6.61

* Based on an €80/tonne carbon price