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 4.87
Milk (kg) -34.00 -0.014 0.48
Fat (kg) -5.68 -0.375 2.13
Prot (kg) -5.13 -0.441 2.26
Fertility Sub Index 3.00
Calving Interval (days) -1.84 -1.459 2.68
Survival (%) 0.28 1.117 0.31
Calving Sub Index 0.39
Gestation Length (days) -0.42 -0.919 0.39
Beef Sub Index -1.47
Carcass Weight (kg) 0.50 -0.528 -0.26
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 7.79

* Based on an €80/tonne carbon price