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 30.47
Milk (kg) -632.00 -0.014 8.85
Fat (kg) -28.44 -0.375 10.65
Prot (kg) -24.86 -0.441 10.97
Fertility Sub Index 5.25
Calving Interval (days) -3.47 -1.459 5.06
Survival (%) 0.17 1.117 0.19
Calving Sub Index 0.60
Gestation Length (days) -0.65 -0.919 0.60
Beef Sub Index 1.53
Carcass Weight (kg) -2.50 -0.528 1.32
Age of Slaughter (days) -0.50 -0.432 0.22
Maintenance Sub Index Maint. Sub Index 1.75
Live WT (kg) -5.70 -0.307 1.75
Total Carbon Sub Index 39.60

* Based on an €80/tonne carbon price