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 12.52
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -16.74 -0.375 6.27
Prot (kg) -10.41 -0.441 4.59
Fertility Sub Index 9.00
Calving Interval (days) -5.62 -1.459 8.20
Survival (%) 0.72 1.117 0.80
Calving Sub Index -0.40
Gestation Length (days) 0.44 -0.919 -0.40
Beef Sub Index 4.26
Carcass Weight (kg) -7.60 -0.528 4.01
Age of Slaughter (days) -0.59 -0.432 0.25
Maintenance Sub Index Maint. Sub Index 3.74
Live WT (kg) -12.20 -0.307 3.74
Total Carbon Sub Index 29.12

* Based on an €80/tonne carbon price