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 -3.62
Milk (kg) 84.00 -0.014 -1.18
Fat (kg) 0.92 -0.375 -0.34
Prot (kg) 4.76 -0.441 -2.10
Fertility Sub Index 1.16
Calving Interval (days) -1.03 -1.459 1.50
Survival (%) -0.31 1.117 -0.35
Calving Sub Index 0.99
Gestation Length (days) -1.08 -0.919 0.99
Beef Sub Index 0.64
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) 2.42 -0.432 -1.04
Maintenance Sub Index Maint. Sub Index -1.07
Live WT (kg) 3.50 -0.307 -1.07
Total Carbon Sub Index -1.90

* Based on an €80/tonne carbon price