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 5.95
Milk (kg) -104.00 -0.014 1.46
Fat (kg) -5.26 -0.375 1.97
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index 7.82
Calving Interval (days) -3.32 -1.459 4.84
Survival (%) 2.66 1.117 2.97
Calving Sub Index -3.64
Gestation Length (days) 3.96 -0.919 -3.64
Beef Sub Index 1.02
Carcass Weight (kg) 0.10 -0.528 -0.05
Age of Slaughter (days) -2.49 -0.432 1.07
Maintenance Sub Index Maint. Sub Index 1.47
Live WT (kg) -4.80 -0.307 1.47
Total Carbon Sub Index 12.62

* Based on an €80/tonne carbon price