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) -63.00 -0.014 0.88
Fat (kg) -4.59 -0.375 1.72
Prot (kg) -4.82 -0.441 2.13
Fertility Sub Index 5.18
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 1.25 1.117 1.40
Calving Sub Index 1.58
Gestation Length (days) -1.72 -0.919 1.58
Beef Sub Index 2.17
Carcass Weight (kg) -7.20 -0.528 3.80
Age of Slaughter (days) 3.78 -0.432 -1.63
Maintenance Sub Index Maint. Sub Index 7.30
Live WT (kg) -23.80 -0.307 7.30
Total Carbon Sub Index 20.94

* Based on an €80/tonne carbon price