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 2.19
Milk (kg) -62.00 -0.014 0.87
Fat (kg) -1.16 -0.375 0.43
Prot (kg) -2.01 -0.441 0.89
Fertility Sub Index 4.39
Calving Interval (days) -2.38 -1.459 3.47
Survival (%) 0.82 1.117 0.92
Calving Sub Index 0.24
Gestation Length (days) -0.26 -0.919 0.24
Beef Sub Index 2.98
Carcass Weight (kg) -6.60 -0.528 3.48
Age of Slaughter (days) 1.16 -0.432 -0.50
Maintenance Sub Index Maint. Sub Index 6.68
Live WT (kg) -21.80 -0.307 6.68
Total Carbon Sub Index 16.48

* Based on an €80/tonne carbon price