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 4.80
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -7.77 -0.375 2.91
Prot (kg) -0.96 -0.441 0.42
Fertility Sub Index 8.17
Calving Interval (days) -4.04 -1.459 5.89
Survival (%) 2.04 1.117 2.28
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index 2.07
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) -1.00 -0.432 0.43
Maintenance Sub Index Maint. Sub Index 6.25
Live WT (kg) -20.40 -0.307 6.25
Total Carbon Sub Index 25.10

* Based on an €80/tonne carbon price