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 5.20
Milk (kg) -82.00 -0.014 1.15
Fat (kg) -5.79 -0.375 2.17
Prot (kg) -4.26 -0.441 1.88
Fertility Sub Index 6.10
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.91 1.117 2.13
Calving Sub Index -1.43
Gestation Length (days) 1.56 -0.919 -1.43
Beef Sub Index -2.34
Carcass Weight (kg) -2.40 -0.528 1.27
Age of Slaughter (days) 8.36 -0.432 -3.61
Maintenance Sub Index Maint. Sub Index 6.44
Live WT (kg) -21.00 -0.307 6.44
Total Carbon Sub Index 13.96

* Based on an €80/tonne carbon price