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 15.08
Milk (kg) -313.00 -0.014 4.38
Fat (kg) -12.12 -0.375 4.54
Prot (kg) -13.95 -0.441 6.16
Fertility Sub Index 11.32
Calving Interval (days) -6.28 -1.459 9.16
Survival (%) 1.93 1.117 2.16
Calving Sub Index 0.94
Gestation Length (days) -1.02 -0.919 0.94
Beef Sub Index 1.98
Carcass Weight (kg) -5.70 -0.528 3.01
Age of Slaughter (days) 2.39 -0.432 -1.03
Maintenance Sub Index Maint. Sub Index 3.86
Live WT (kg) -12.60 -0.307 3.86
Total Carbon Sub Index 33.17

* Based on an €80/tonne carbon price