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 11.79
Milk (kg) -223.00 -0.014 3.12
Fat (kg) -10.26 -0.375 3.84
Prot (kg) -10.93 -0.441 4.82
Fertility Sub Index -5.62
Calving Interval (days) 2.80 -1.459 -4.09
Survival (%) -1.37 1.117 -1.53
Calving Sub Index 0.78
Gestation Length (days) -0.85 -0.919 0.78
Beef Sub Index -0.54
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 3.81 -0.432 -1.64
Maintenance Sub Index Maint. Sub Index 1.16
Live WT (kg) -3.80 -0.307 1.16
Total Carbon Sub Index 7.59

* Based on an €80/tonne carbon price