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 2.44
Milk (kg) -45.00 -0.014 0.63
Fat (kg) -2.24 -0.375 0.84
Prot (kg) -2.21 -0.441 0.98
Fertility Sub Index 7.63
Calving Interval (days) -4.71 -1.459 6.87
Survival (%) 0.68 1.117 0.76
Calving Sub Index -1.35
Gestation Length (days) 1.47 -0.919 -1.35
Beef Sub Index 1.98
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 0.30 -0.432 -0.13
Maintenance Sub Index Maint. Sub Index 4.78
Live WT (kg) -15.60 -0.307 4.78
Total Carbon Sub Index 15.49

* Based on an €80/tonne carbon price