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 6.56
Milk (kg) -141.00 -0.014 1.97
Fat (kg) -5.37 -0.375 2.01
Prot (kg) -5.84 -0.441 2.58
Fertility Sub Index 2.00
Calving Interval (days) -1.08 -1.459 1.58
Survival (%) 0.38 1.117 0.42
Calving Sub Index 0.82
Gestation Length (days) -0.89 -0.919 0.82
Beef Sub Index 0.73
Carcass Weight (kg) -1.50 -0.528 0.79
Age of Slaughter (days) 0.14 -0.432 -0.06
Maintenance Sub Index Maint. Sub Index 4.54
Live WT (kg) -14.80 -0.307 4.54
Total Carbon Sub Index 14.65

* Based on an €80/tonne carbon price