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 2.35
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -2.17 -0.375 0.81
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index -0.91
Calving Interval (days) 1.46 -1.459 -2.13
Survival (%) 1.09 1.117 1.22
Calving Sub Index -0.96
Gestation Length (days) 1.04 -0.919 -0.96
Beef Sub Index -1.01
Carcass Weight (kg) -2.90 -0.528 1.53
Age of Slaughter (days) 5.89 -0.432 -2.54
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 4.62

* Based on an €80/tonne carbon price