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 4.47
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -0.09 -0.375 0.03
Prot (kg) -4.06 -0.441 1.79
Fertility Sub Index 3.80
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 1.60 1.117 1.79
Calving Sub Index 0.76
Gestation Length (days) -0.83 -0.919 0.76
Beef Sub Index 2.22
Carcass Weight (kg) -11.60 -0.528 6.12
Age of Slaughter (days) 9.04 -0.432 -3.90
Maintenance Sub Index Maint. Sub Index 11.83
Live WT (kg) -38.60 -0.307 11.83
Total Carbon Sub Index 23.09

* Based on an €80/tonne carbon price