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 0.88
Milk (kg) -91.00 -0.014 1.27
Fat (kg) 2.72 -0.375 -1.02
Prot (kg) -1.41 -0.441 0.62
Fertility Sub Index -5.14
Calving Interval (days) 2.75 -1.459 -4.01
Survival (%) -1.01 1.117 -1.13
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index -0.31
Carcass Weight (kg) -1.30 -0.528 0.69
Age of Slaughter (days) 2.31 -0.432 -1.00
Maintenance Sub Index Maint. Sub Index -2.05
Live WT (kg) 6.70 -0.307 -2.05
Total Carbon Sub Index -6.09

* Based on an €80/tonne carbon price