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 1.22
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -0.98 -0.375 0.37
Prot (kg) -0.51 -0.441 0.23
Fertility Sub Index -0.65
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 1.06 1.117 1.18
Calving Sub Index -0.62
Gestation Length (days) 0.67 -0.919 -0.62
Beef Sub Index -1.11
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 6.97 -0.432 -3.01
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 5.16

* Based on an €80/tonne carbon price