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 7.62
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -6.82 -0.375 2.55
Prot (kg) -6.54 -0.441 2.89
Fertility Sub Index 3.69
Calving Interval (days) -2.98 -1.459 4.35
Survival (%) -0.59 1.117 -0.66
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -0.44
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) 0.89 -0.432 -0.38
Maintenance Sub Index Maint. Sub Index 1.50
Live WT (kg) -4.90 -0.307 1.50
Total Carbon Sub Index 13.49

* Based on an €80/tonne carbon price