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 5.16
Milk (kg) -156.00 -0.014 2.18
Fat (kg) -2.70 -0.375 1.01
Prot (kg) -4.46 -0.441 1.97
Fertility Sub Index 6.10
Calving Interval (days) -3.36 -1.459 4.90
Survival (%) 1.07 1.117 1.20
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index 1.25
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.50 -0.432 -0.65
Maintenance Sub Index Maint. Sub Index 4.08
Live WT (kg) -13.30 -0.307 4.08
Total Carbon Sub Index 17.13

* Based on an €80/tonne carbon price