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 4.86
Milk (kg) -115.00 -0.014 1.61
Fat (kg) -4.37 -0.375 1.64
Prot (kg) -3.66 -0.441 1.62
Fertility Sub Index 2.05
Calving Interval (days) -1.17 -1.459 1.71
Survival (%) 0.31 1.117 0.35
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.32
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 1.46 -0.432 -0.63
Maintenance Sub Index Maint. Sub Index 1.81
Live WT (kg) -5.90 -0.307 1.81
Total Carbon Sub Index 8.58

* Based on an €80/tonne carbon price