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 6.56
Milk (kg) -181.00 -0.014 2.53
Fat (kg) -5.29 -0.375 1.98
Prot (kg) -4.63 -0.441 2.04
Fertility Sub Index 6.69
Calving Interval (days) -3.20 -1.459 4.67
Survival (%) 1.81 1.117 2.02
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.10
Carcass Weight (kg) -2.60 -0.528 1.37
Age of Slaughter (days) 0.63 -0.432 -0.27
Maintenance Sub Index Maint. Sub Index 4.05
Live WT (kg) -13.20 -0.307 4.05
Total Carbon Sub Index 22.21

* Based on an €80/tonne carbon price