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 10.47
Milk (kg) -159.00 -0.014 2.23
Fat (kg) -10.62 -0.375 3.98
Prot (kg) -9.66 -0.441 4.26
Fertility Sub Index 7.90
Calving Interval (days) -5.40 -1.459 7.88
Survival (%) 0.02 1.117 0.02
Calving Sub Index -0.84
Gestation Length (days) 0.91 -0.919 -0.84
Beef Sub Index 3.05
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) -0.83 -0.432 0.36
Maintenance Sub Index Maint. Sub Index 3.40
Live WT (kg) -11.10 -0.307 3.40
Total Carbon Sub Index 23.98

* Based on an €80/tonne carbon price