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 3.67
Milk (kg) -29.00 -0.014 0.41
Fat (kg) -6.93 -0.375 2.60
Prot (kg) -1.52 -0.441 0.67
Fertility Sub Index 5.49
Calving Interval (days) -2.46 -1.459 3.59
Survival (%) 1.70 1.117 1.90
Calving Sub Index -0.96
Gestation Length (days) 1.04 -0.919 -0.96
Beef Sub Index -3.84
Carcass Weight (kg) 6.60 -0.528 -3.48
Age of Slaughter (days) 0.83 -0.432 -0.36
Maintenance Sub Index Maint. Sub Index 1.01
Live WT (kg) -3.30 -0.307 1.01
Total Carbon Sub Index 5.37

* Based on an €80/tonne carbon price