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 4.70
Milk (kg) -54.00 -0.014 0.76
Fat (kg) -2.92 -0.375 1.09
Prot (kg) -6.46 -0.441 2.85
Fertility Sub Index 3.48
Calving Interval (days) -1.86 -1.459 2.71
Survival (%) 0.69 1.117 0.77
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.20
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 4.86 -0.432 -2.10
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 8.53

* Based on an €80/tonne carbon price