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 0.22
Milk (kg) 12.00 -0.014 -0.17
Fat (kg) 3.21 -0.375 -1.20
Prot (kg) -3.60 -0.441 1.59
Fertility Sub Index -1.90
Calving Interval (days) 1.30 -1.459 -1.90
Survival (%) 0.00 1.117 0.00
Calving Sub Index 0.49
Gestation Length (days) -0.53 -0.919 0.49
Beef Sub Index -1.01
Carcass Weight (kg) -1.80 -0.528 0.95
Age of Slaughter (days) 4.54 -0.432 -1.96
Maintenance Sub Index Maint. Sub Index -0.77
Live WT (kg) 2.50 -0.307 -0.77
Total Carbon Sub Index -2.96

* Based on an €80/tonne carbon price