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 4.88
Milk (kg) -237.00 -0.014 3.32
Fat (kg) 1.86 -0.375 -0.70
Prot (kg) -5.11 -0.441 2.26
Fertility Sub Index 6.80
Calving Interval (days) -3.52 -1.459 5.14
Survival (%) 1.49 1.117 1.66
Calving Sub Index 1.65
Gestation Length (days) -1.79 -0.919 1.65
Beef Sub Index 2.35
Carcass Weight (kg) -5.40 -0.528 2.85
Age of Slaughter (days) 1.15 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 20.15

* Based on an €80/tonne carbon price