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 -4.85
Milk (kg) 187.00 -0.014 -2.62
Fat (kg) 1.82 -0.375 -0.68
Prot (kg) 3.52 -0.441 -1.55
Fertility Sub Index -1.26
Calving Interval (days) 1.21 -1.459 -1.77
Survival (%) 0.45 1.117 0.50
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index -1.26
Carcass Weight (kg) 1.40 -0.528 -0.74
Age of Slaughter (days) 1.20 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index -2.33
Live WT (kg) 7.60 -0.307 -2.33
Total Carbon Sub Index -4.74

* Based on an €80/tonne carbon price