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 3.02
Milk (kg) -16.00 -0.014 0.22
Fat (kg) -3.52 -0.375 1.32
Prot (kg) -3.34 -0.441 1.47
Fertility Sub Index 6.08
Calving Interval (days) -3.35 -1.459 4.89
Survival (%) 1.07 1.117 1.20
Calving Sub Index 0.58
Gestation Length (days) -0.63 -0.919 0.58
Beef Sub Index 0.01
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 3.03 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 3.16
Live WT (kg) -10.30 -0.307 3.16
Total Carbon Sub Index 12.84

* Based on an €80/tonne carbon price