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 5.57
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -2.17 -0.375 0.81
Prot (kg) -6.18 -0.441 2.73
Fertility Sub Index -2.60
Calving Interval (days) 1.81 -1.459 -2.64
Survival (%) 0.04 1.117 0.04
Calving Sub Index 1.37
Gestation Length (days) -1.49 -0.919 1.37
Beef Sub Index 0.28
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 2.65 -0.432 -1.14
Maintenance Sub Index Maint. Sub Index 3.28
Live WT (kg) -10.70 -0.307 3.28
Total Carbon Sub Index 7.90

* Based on an €80/tonne carbon price