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 15.02
Milk (kg) -380.00 -0.014 5.32
Fat (kg) -10.17 -0.375 3.81
Prot (kg) -13.34 -0.441 5.89
Fertility Sub Index 3.15
Calving Interval (days) -1.58 -1.459 2.31
Survival (%) 0.76 1.117 0.85
Calving Sub Index -1.64
Gestation Length (days) 1.78 -0.919 -1.64
Beef Sub Index -2.16
Carcass Weight (kg) 2.80 -0.528 -1.48
Age of Slaughter (days) 1.58 -0.432 -0.68
Maintenance Sub Index Maint. Sub Index 3.62
Live WT (kg) -11.80 -0.307 3.62
Total Carbon Sub Index 18.00

* Based on an €80/tonne carbon price