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 28.72
Milk (kg) -973.00 -0.014 13.62
Fat (kg) -11.13 -0.375 4.17
Prot (kg) -24.77 -0.441 10.93
Fertility Sub Index 4.37
Calving Interval (days) -2.76 -1.459 4.03
Survival (%) 0.31 1.117 0.35
Calving Sub Index 0.54
Gestation Length (days) -0.59 -0.919 0.54
Beef Sub Index 1.51
Carcass Weight (kg) -10.40 -0.528 5.49
Age of Slaughter (days) 9.22 -0.432 -3.98
Maintenance Sub Index Maint. Sub Index 11.01
Live WT (kg) -35.90 -0.307 11.01
Total Carbon Sub Index 46.14

* Based on an €80/tonne carbon price