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 2.04
Milk (kg) -141.00 -0.014 1.97
Fat (kg) 1.98 -0.375 -0.74
Prot (kg) -1.83 -0.441 0.81
Fertility Sub Index 7.10
Calving Interval (days) -3.48 -1.459 5.08
Survival (%) 1.81 1.117 2.02
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.31
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.02 -0.432 -0.01
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 19.56

* Based on an €80/tonne carbon price