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 5.97
Milk (kg) -124.00 -0.014 1.74
Fat (kg) -5.60 -0.375 2.10
Prot (kg) -4.85 -0.441 2.14
Fertility Sub Index 3.25
Calving Interval (days) -1.70 -1.459 2.48
Survival (%) 0.69 1.117 0.77
Calving Sub Index -1.65
Gestation Length (days) 1.80 -0.919 -1.65
Beef Sub Index -3.19
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 4.46 -0.432 -1.93
Maintenance Sub Index Maint. Sub Index -2.15
Live WT (kg) 7.00 -0.307 -2.15
Total Carbon Sub Index 2.24

* Based on an €80/tonne carbon price