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 4.88
Milk (kg) -146.00 -0.014 2.04
Fat (kg) -3.33 -0.375 1.25
Prot (kg) -3.59 -0.441 1.58
Fertility Sub Index 4.10
Calving Interval (days) -1.89 -1.459 2.76
Survival (%) 1.20 1.117 1.34
Calving Sub Index 4.96
Gestation Length (days) -5.40 -0.919 4.96
Beef Sub Index 2.42
Carcass Weight (kg) -3.20 -0.528 1.69
Age of Slaughter (days) -1.70 -0.432 0.73
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 22.80

* Based on an €80/tonne carbon price