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 6.62
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -3.71 -0.375 1.39
Prot (kg) -5.44 -0.441 2.40
Fertility Sub Index 7.63
Calving Interval (days) -4.52 -1.459 6.59
Survival (%) 0.93 1.117 1.04
Calving Sub Index 1.32
Gestation Length (days) -1.44 -0.919 1.32
Beef Sub Index 2.88
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) -0.08 -0.432 0.03
Maintenance Sub Index Maint. Sub Index 2.76
Live WT (kg) -9.00 -0.307 2.76
Total Carbon Sub Index 21.21

* Based on an €80/tonne carbon price