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 5.10
Milk (kg) -145.00 -0.014 2.03
Fat (kg) -3.09 -0.375 1.16
Prot (kg) -4.34 -0.441 1.92
Fertility Sub Index 4.63
Calving Interval (days) -1.88 -1.459 2.74
Survival (%) 1.69 1.117 1.89
Calving Sub Index 0.85
Gestation Length (days) -0.93 -0.919 0.85
Beef Sub Index -0.66
Carcass Weight (kg) -5.10 -0.528 2.69
Age of Slaughter (days) 7.75 -0.432 -3.35
Maintenance Sub Index Maint. Sub Index 7.97
Live WT (kg) -26.00 -0.307 7.97
Total Carbon Sub Index 17.90

* Based on an €80/tonne carbon price