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 2.30
Milk (kg) -76.00 -0.014 1.06
Fat (kg) -1.06 -0.375 0.40
Prot (kg) -1.89 -0.441 0.83
Fertility Sub Index 3.77
Calving Interval (days) -1.44 -1.459 2.10
Survival (%) 1.49 1.117 1.66
Calving Sub Index 0.67
Gestation Length (days) -0.73 -0.919 0.67
Beef Sub Index 1.13
Carcass Weight (kg) -9.20 -0.528 4.85
Age of Slaughter (days) 8.62 -0.432 -3.72
Maintenance Sub Index Maint. Sub Index 10.33
Live WT (kg) -33.70 -0.307 10.33
Total Carbon Sub Index 18.20

* Based on an €80/tonne carbon price