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 2.03
Milk (kg) -112.00 -0.014 1.57
Fat (kg) -1.89 -0.375 0.71
Prot (kg) 0.55 -0.441 -0.24
Fertility Sub Index 2.61
Calving Interval (days) -0.84 -1.459 1.23
Survival (%) 1.24 1.117 1.39
Calving Sub Index -2.59
Gestation Length (days) 2.82 -0.919 -2.59
Beef Sub Index -1.79
Carcass Weight (kg) 5.40 -0.528 -2.85
Age of Slaughter (days) -2.45 -0.432 1.06
Maintenance Sub Index Maint. Sub Index -1.01
Live WT (kg) 3.30 -0.307 -1.01
Total Carbon Sub Index -0.75

* Based on an €80/tonne carbon price