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 0.07
Milk (kg) -1.00 -0.014 0.01
Fat (kg) -0.06 -0.375 0.02
Prot (kg) -0.07 -0.441 0.03
Fertility Sub Index 2.44
Calving Interval (days) -1.34 -1.459 1.96
Survival (%) 0.43 1.117 0.48
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 1.80 -0.432 -0.78
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 4.16

* Based on an €80/tonne carbon price