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 7.34
Milk (kg) -195.00 -0.014 2.73
Fat (kg) -8.03 -0.375 3.01
Prot (kg) -3.62 -0.441 1.60
Fertility Sub Index 5.11
Calving Interval (days) -2.94 -1.459 4.29
Survival (%) 0.73 1.117 0.82
Calving Sub Index 1.86
Gestation Length (days) -2.02 -0.919 1.86
Beef Sub Index -2.62
Carcass Weight (kg) 2.30 -0.528 -1.21
Age of Slaughter (days) 3.27 -0.432 -1.41
Maintenance Sub Index Maint. Sub Index -1.41
Live WT (kg) 4.60 -0.307 -1.41
Total Carbon Sub Index 10.27

* Based on an €80/tonne carbon price