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 6.08
Milk (kg) -183.00 -0.014 2.56
Fat (kg) -2.97 -0.375 1.11
Prot (kg) -5.45 -0.441 2.41
Fertility Sub Index 5.93
Calving Interval (days) -3.12 -1.459 4.55
Survival (%) 1.23 1.117 1.37
Calving Sub Index 0.93
Gestation Length (days) -1.01 -0.919 0.93
Beef Sub Index 1.17
Carcass Weight (kg) -3.60 -0.528 1.90
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 4.97
Live WT (kg) -16.20 -0.307 4.97
Total Carbon Sub Index 19.08

* Based on an €80/tonne carbon price