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 6.66
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -5.38 -0.375 2.02
Prot (kg) -5.44 -0.441 2.40
Fertility Sub Index 2.33
Calving Interval (days) -1.26 -1.459 1.84
Survival (%) 0.44 1.117 0.49
Calving Sub Index 3.83
Gestation Length (days) -4.17 -0.919 3.83
Beef Sub Index 1.92
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -0.54 -0.432 0.23
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 20.44

* Based on an €80/tonne carbon price