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 4.73
Milk (kg) -118.00 -0.014 1.65
Fat (kg) -3.88 -0.375 1.45
Prot (kg) -3.68 -0.441 1.62
Fertility Sub Index 7.34
Calving Interval (days) -3.83 -1.459 5.59
Survival (%) 1.57 1.117 1.75
Calving Sub Index 3.81
Gestation Length (days) -4.14 -0.919 3.81
Beef Sub Index -0.81
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 3.59 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 3.71
Live WT (kg) -12.10 -0.307 3.71
Total Carbon Sub Index 18.78

* Based on an €80/tonne carbon price