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 7.95
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -1.80 -0.375 0.67
Prot (kg) -11.89 -0.441 5.25
Fertility Sub Index 2.68
Calving Interval (days) -1.90 -1.459 2.77
Survival (%) -0.08 1.117 -0.09
Calving Sub Index 0.30
Gestation Length (days) -0.33 -0.919 0.30
Beef Sub Index -1.38
Carcass Weight (kg) 0.70 -0.528 -0.37
Age of Slaughter (days) 2.34 -0.432 -1.01
Maintenance Sub Index Maint. Sub Index 0.09
Live WT (kg) -0.30 -0.307 0.09
Total Carbon Sub Index 9.65

* Based on an €80/tonne carbon price