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 4.58
Milk (kg) -92.00 -0.014 1.29
Fat (kg) -8.10 -0.375 3.03
Prot (kg) -0.59 -0.441 0.26
Fertility Sub Index 5.95
Calving Interval (days) -2.89 -1.459 4.22
Survival (%) 1.55 1.117 1.73
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.31
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -1.94 -0.432 0.84
Maintenance Sub Index Maint. Sub Index 6.32
Live WT (kg) -20.60 -0.307 6.32
Total Carbon Sub Index 22.97

* Based on an €80/tonne carbon price