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 9.19
Milk (kg) -166.00 -0.014 2.32
Fat (kg) -6.52 -0.375 2.44
Prot (kg) -10.02 -0.441 4.42
Fertility Sub Index 5.77
Calving Interval (days) -3.03 -1.459 4.42
Survival (%) 1.21 1.117 1.35
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index -1.99
Carcass Weight (kg) 1.60 -0.528 -0.84
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index -2.85
Live WT (kg) 9.30 -0.307 -2.85
Total Carbon Sub Index 10.14

* Based on an €80/tonne carbon price