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 1.45
Milk (kg) -11.00 -0.014 0.15
Fat (kg) 1.21 -0.375 -0.45
Prot (kg) -3.96 -0.441 1.75
Fertility Sub Index 4.18
Calving Interval (days) -1.26 -1.459 1.84
Survival (%) 2.10 1.117 2.35
Calving Sub Index 0.55
Gestation Length (days) -0.60 -0.919 0.55
Beef Sub Index 3.36
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) 1.01 -0.432 -0.44
Maintenance Sub Index Maint. Sub Index 5.06
Live WT (kg) -16.50 -0.307 5.06
Total Carbon Sub Index 14.60

* Based on an €80/tonne carbon price