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 4.02
Milk (kg) -103.00 -0.014 1.44
Fat (kg) -3.44 -0.375 1.29
Prot (kg) -2.92 -0.441 1.29
Fertility Sub Index 1.84
Calving Interval (days) -1.20 -1.459 1.75
Survival (%) 0.08 1.117 0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.32
Carcass Weight (kg) -1.40 -0.528 0.74
Age of Slaughter (days) 0.97 -0.432 -0.42
Maintenance Sub Index Maint. Sub Index 1.87
Live WT (kg) -6.10 -0.307 1.87
Total Carbon Sub Index 7.58

* Based on an €80/tonne carbon price