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 19.73
Milk (kg) -429.00 -0.014 6.01
Fat (kg) -18.05 -0.375 6.76
Prot (kg) -15.78 -0.441 6.96
Fertility Sub Index 2.88
Calving Interval (days) -0.72 -1.459 1.05
Survival (%) 1.64 1.117 1.83
Calving Sub Index -1.05
Gestation Length (days) 1.14 -0.919 -1.05
Beef Sub Index -3.18
Carcass Weight (kg) 2.40 -0.528 -1.27
Age of Slaughter (days) 4.43 -0.432 -1.91
Maintenance Sub Index Maint. Sub Index 2.21
Live WT (kg) -7.20 -0.307 2.21
Total Carbon Sub Index 20.59

* Based on an €80/tonne carbon price