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 2.69
Milk (kg) -9.00 -0.014 0.13
Fat (kg) -6.62 -0.375 2.48
Prot (kg) -0.18 -0.441 0.08
Fertility Sub Index 6.02
Calving Interval (days) -2.72 -1.459 3.97
Survival (%) 1.84 1.117 2.06
Calving Sub Index -1.54
Gestation Length (days) 1.67 -0.919 -1.54
Beef Sub Index -2.32
Carcass Weight (kg) -0.70 -0.528 0.37
Age of Slaughter (days) 6.22 -0.432 -2.69
Maintenance Sub Index Maint. Sub Index 4.84
Live WT (kg) -15.80 -0.307 4.84
Total Carbon Sub Index 9.70

* Based on an €80/tonne carbon price