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 15.32
Milk (kg) -337.00 -0.014 4.72
Fat (kg) -12.97 -0.375 4.86
Prot (kg) -13.01 -0.441 5.74
Fertility Sub Index 4.44
Calving Interval (days) -4.20 -1.459 6.13
Survival (%) -1.51 1.117 -1.69
Calving Sub Index -3.60
Gestation Length (days) 3.92 -0.919 -3.60
Beef Sub Index 2.15
Carcass Weight (kg) -1.10 -0.528 0.58
Age of Slaughter (days) -3.63 -0.432 1.57
Maintenance Sub Index Maint. Sub Index 1.93
Live WT (kg) -6.30 -0.307 1.93
Total Carbon Sub Index 20.23

* Based on an €80/tonne carbon price