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 11.81
Milk (kg) -258.00 -0.014 3.61
Fat (kg) -12.32 -0.375 4.61
Prot (kg) -8.13 -0.441 3.59
Fertility Sub Index 5.01
Calving Interval (days) -3.37 -1.459 4.92
Survival (%) 0.08 1.117 0.09
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 1.54
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 0.23 -0.432 -0.10
Maintenance Sub Index Maint. Sub Index 2.36
Live WT (kg) -7.70 -0.307 2.36
Total Carbon Sub Index 21.56

* Based on an €80/tonne carbon price