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 9.26
Milk (kg) -179.00 -0.014 2.51
Fat (kg) -6.83 -0.375 2.56
Prot (kg) -9.50 -0.441 4.19
Fertility Sub Index 5.09
Calving Interval (days) -2.84 -1.459 4.14
Survival (%) 0.85 1.117 0.95
Calving Sub Index 0.31
Gestation Length (days) -0.34 -0.919 0.31
Beef Sub Index 0.64
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 2.79 -0.432 -1.20
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 15.18

* Based on an €80/tonne carbon price