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 9.31
Milk (kg) -220.00 -0.014 3.08
Fat (kg) -10.90 -0.375 4.08
Prot (kg) -4.87 -0.441 2.15
Fertility Sub Index -0.35
Calving Interval (days) 1.26 -1.459 -1.84
Survival (%) 1.33 1.117 1.49
Calving Sub Index -0.77
Gestation Length (days) 0.84 -0.919 -0.77
Beef Sub Index -1.64
Carcass Weight (kg) -2.10 -0.528 1.11
Age of Slaughter (days) 6.36 -0.432 -2.75
Maintenance Sub Index Maint. Sub Index 5.15
Live WT (kg) -16.80 -0.307 5.15
Total Carbon Sub Index 11.70

* Based on an €80/tonne carbon price