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 3.05
Milk (kg) -231.00 -0.014 3.23
Fat (kg) 4.14 -0.375 -1.55
Prot (kg) -3.09 -0.441 1.36
Fertility Sub Index 8.88
Calving Interval (days) -4.11 -1.459 6.00
Survival (%) 2.58 1.117 2.88
Calving Sub Index -0.08
Gestation Length (days) 0.09 -0.919 -0.08
Beef Sub Index 3.38
Carcass Weight (kg) -6.30 -0.528 3.32
Age of Slaughter (days) -0.12 -0.432 0.05
Maintenance Sub Index Maint. Sub Index 3.22
Live WT (kg) -10.50 -0.307 3.22
Total Carbon Sub Index 18.44

* Based on an €80/tonne carbon price