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 3.71
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -2.58 -0.375 0.97
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index -0.71
Calving Interval (days) 1.24 -1.459 -1.81
Survival (%) 0.98 1.117 1.09
Calving Sub Index -1.16
Gestation Length (days) 1.26 -0.919 -1.16
Beef Sub Index -1.13
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 5.67 -0.432 -2.45
Maintenance Sub Index Maint. Sub Index 4.26
Live WT (kg) -13.90 -0.307 4.26
Total Carbon Sub Index 4.97

* Based on an €80/tonne carbon price