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 7.29
Milk (kg) -172.00 -0.014 2.41
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -6.51 -0.441 2.87
Fertility Sub Index 1.03
Calving Interval (days) -0.33 -1.459 0.48
Survival (%) 0.49 1.117 0.55
Calving Sub Index -0.02
Gestation Length (days) 0.02 -0.919 -0.02
Beef Sub Index -0.33
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 1.87 -0.432 -0.81
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 8.62

* Based on an €80/tonne carbon price