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 7.05
Milk (kg) -202.00 -0.014 2.83
Fat (kg) -3.30 -0.375 1.24
Prot (kg) -6.77 -0.441 2.99
Fertility Sub Index 11.05
Calving Interval (days) -5.95 -1.459 8.68
Survival (%) 2.12 1.117 2.37
Calving Sub Index -1.66
Gestation Length (days) 1.81 -0.919 -1.66
Beef Sub Index 3.40
Carcass Weight (kg) -7.10 -0.528 3.75
Age of Slaughter (days) 0.80 -0.432 -0.35
Maintenance Sub Index Maint. Sub Index 2.33
Live WT (kg) -7.60 -0.307 2.33
Total Carbon Sub Index 22.16

* Based on an €80/tonne carbon price