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 3.86
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -2.00 -0.375 0.75
Prot (kg) -1.46 -0.441 0.64
Fertility Sub Index 2.21
Calving Interval (days) -1.38 -1.459 2.01
Survival (%) 0.18 1.117 0.20
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 0.23
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) -2.48 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 0.64
Live WT (kg) -2.10 -0.307 0.64
Total Carbon Sub Index 8.07

* Based on an €80/tonne carbon price