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 22.41
Milk (kg) -547.00 -0.014 7.66
Fat (kg) -19.49 -0.375 7.30
Prot (kg) -16.88 -0.441 7.45
Fertility Sub Index 6.45
Calving Interval (days) -5.10 -1.459 7.44
Survival (%) -0.89 1.117 -0.99
Calving Sub Index 1.10
Gestation Length (days) -1.20 -0.919 1.10
Beef Sub Index -1.27
Carcass Weight (kg) 3.80 -0.528 -2.00
Age of Slaughter (days) -1.69 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 0.15
Live WT (kg) -0.50 -0.307 0.15
Total Carbon Sub Index 28.84

* Based on an €80/tonne carbon price