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 -2.50
Milk (kg) -81.00 -0.014 1.13
Fat (kg) 3.95 -0.375 -1.48
Prot (kg) 4.89 -0.441 -2.16
Fertility Sub Index 0.73
Calving Interval (days) 0.24 -1.459 -0.35
Survival (%) 0.97 1.117 1.08
Calving Sub Index 1.00
Gestation Length (days) -1.09 -0.919 1.00
Beef Sub Index 13.73
Carcass Weight (kg) -29.40 -0.528 15.51
Age of Slaughter (days) 4.12 -0.432 -1.78
Maintenance Sub Index Maint. Sub Index 21.46
Live WT (kg) -70.00 -0.307 21.46
Total Carbon Sub Index 34.43

* Based on an €80/tonne carbon price