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 20.46
Milk (kg) -310.00 -0.014 4.34
Fat (kg) -23.43 -0.375 8.78
Prot (kg) -16.64 -0.441 7.34
Fertility Sub Index 2.38
Calving Interval (days) -1.11 -1.459 1.62
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.99
Gestation Length (days) 2.16 -0.919 -1.99
Beef Sub Index -1.73
Carcass Weight (kg) -0.10 -0.528 0.05
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 3.46
Live WT (kg) -11.30 -0.307 3.46
Total Carbon Sub Index 22.59

* Based on an €80/tonne carbon price