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 17.03
Milk (kg) -351.00 -0.014 4.91
Fat (kg) -16.09 -0.375 6.03
Prot (kg) -13.80 -0.441 6.09
Fertility Sub Index 5.39
Calving Interval (days) -3.44 -1.459 5.02
Survival (%) 0.33 1.117 0.37
Calving Sub Index -1.22
Gestation Length (days) 1.33 -0.919 -1.22
Beef Sub Index 0.08
Carcass Weight (kg) -0.90 -0.528 0.47
Age of Slaughter (days) 0.92 -0.432 -0.40
Maintenance Sub Index Maint. Sub Index 0.92
Live WT (kg) -3.00 -0.307 0.92
Total Carbon Sub Index 22.19

* Based on an €80/tonne carbon price