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 4.50
Milk (kg) -99.00 -0.014 1.39
Fat (kg) -1.40 -0.375 0.52
Prot (kg) -5.87 -0.441 2.59
Fertility Sub Index 8.16
Calving Interval (days) -4.86 -1.459 7.09
Survival (%) 0.96 1.117 1.07
Calving Sub Index 0.22
Gestation Length (days) -0.24 -0.919 0.22
Beef Sub Index 6.02
Carcass Weight (kg) -10.10 -0.528 5.33
Age of Slaughter (days) -1.61 -0.432 0.70
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 23.20

* Based on an €80/tonne carbon price