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 6.65
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -6.60 -0.375 2.47
Prot (kg) -6.38 -0.441 2.82
Fertility Sub Index 4.25
Calving Interval (days) -2.23 -1.459 3.25
Survival (%) 0.89 1.117 0.99
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index -2.64
Carcass Weight (kg) 2.60 -0.528 -1.37
Age of Slaughter (days) 2.93 -0.432 -1.26
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 10.64

* Based on an €80/tonne carbon price