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 6.80
Milk (kg) -157.00 -0.014 2.20
Fat (kg) -4.70 -0.375 1.76
Prot (kg) -6.43 -0.441 2.84
Fertility Sub Index 0.56
Calving Interval (days) -0.55 -1.459 0.80
Survival (%) -0.22 1.117 -0.25
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.26
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.48 -0.432 -0.64
Maintenance Sub Index Maint. Sub Index 1.90
Live WT (kg) -6.20 -0.307 1.90
Total Carbon Sub Index 9.04

* Based on an €80/tonne carbon price