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 6.07
Milk (kg) -160.00 -0.014 2.24
Fat (kg) -6.72 -0.375 2.52
Prot (kg) -2.98 -0.441 1.32
Fertility Sub Index 5.49
Calving Interval (days) -2.50 -1.459 3.65
Survival (%) 1.65 1.117 1.84
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 1.16
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) 0.37 -0.432 -0.16
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 20.60

* Based on an €80/tonne carbon price