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 6.73
Milk (kg) -177.00 -0.014 2.48
Fat (kg) -5.44 -0.375 2.04
Prot (kg) -5.02 -0.441 2.22
Fertility Sub Index 5.76
Calving Interval (days) -3.29 -1.459 4.80
Survival (%) 0.86 1.117 0.96
Calving Sub Index 0.03
Gestation Length (days) -0.03 -0.919 0.03
Beef Sub Index 1.00
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.10 -0.432 -0.47
Maintenance Sub Index Maint. Sub Index 3.68
Live WT (kg) -12.00 -0.307 3.68
Total Carbon Sub Index 17.20

* Based on an €80/tonne carbon price