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 9.70
Milk (kg) -241.00 -0.014 3.37
Fat (kg) -7.81 -0.375 2.93
Prot (kg) -7.70 -0.441 3.40
Fertility Sub Index 6.66
Calving Interval (days) -3.90 -1.459 5.69
Survival (%) 0.87 1.117 0.97
Calving Sub Index 0.66
Gestation Length (days) -0.72 -0.919 0.66
Beef Sub Index 0.11
Carcass Weight (kg) -1.60 -0.528 0.84
Age of Slaughter (days) 1.70 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 2.91
Live WT (kg) -9.50 -0.307 2.91
Total Carbon Sub Index 20.04

* Based on an €80/tonne carbon price