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 3.00
Milk (kg) -122.00 -0.014 1.71
Fat (kg) 1.46 -0.375 -0.55
Prot (kg) -4.16 -0.441 1.84
Fertility Sub Index 5.85
Calving Interval (days) -3.56 -1.459 5.19
Survival (%) 0.59 1.117 0.66
Calving Sub Index 0.92
Gestation Length (days) -1.00 -0.919 0.92
Beef Sub Index 0.70
Carcass Weight (kg) -4.50 -0.528 2.37
Age of Slaughter (days) 3.88 -0.432 -1.67
Maintenance Sub Index Maint. Sub Index 4.48
Live WT (kg) -14.60 -0.307 4.48
Total Carbon Sub Index 14.94

* Based on an €80/tonne carbon price