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 1.54
Milk (kg) -10.00 -0.014 0.14
Fat (kg) -4.13 -0.375 1.55
Prot (kg) 0.34 -0.441 -0.15
Fertility Sub Index 6.11
Calving Interval (days) -3.68 -1.459 5.37
Survival (%) 0.66 1.117 0.74
Calving Sub Index -1.01
Gestation Length (days) 1.10 -0.919 -1.01
Beef Sub Index -3.42
Carcass Weight (kg) 4.90 -0.528 -2.58
Age of Slaughter (days) 1.94 -0.432 -0.84
Maintenance Sub Index Maint. Sub Index -0.31
Live WT (kg) 1.00 -0.307 -0.31
Total Carbon Sub Index 2.90

* Based on an €80/tonne carbon price