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 6.59
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -4.06 -0.375 1.52
Prot (kg) -6.88 -0.441 3.04
Fertility Sub Index 6.35
Calving Interval (days) -3.52 -1.459 5.14
Survival (%) 1.09 1.117 1.22
Calving Sub Index 0.77
Gestation Length (days) -0.84 -0.919 0.77
Beef Sub Index 0.17
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.57 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 2.64
Live WT (kg) -8.60 -0.307 2.64
Total Carbon Sub Index 16.51

* Based on an €80/tonne carbon price