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 2.08
Milk (kg) -92.00 -0.014 1.29
Fat (kg) 0.13 -0.375 -0.05
Prot (kg) -1.91 -0.441 0.84
Fertility Sub Index 3.67
Calving Interval (days) -1.32 -1.459 1.93
Survival (%) 1.56 1.117 1.74
Calving Sub Index 0.70
Gestation Length (days) -0.76 -0.919 0.70
Beef Sub Index 3.03
Carcass Weight (kg) -13.10 -0.528 6.91
Age of Slaughter (days) 9.00 -0.432 -3.89
Maintenance Sub Index Maint. Sub Index 12.63
Live WT (kg) -41.20 -0.307 12.63
Total Carbon Sub Index 22.11

* Based on an €80/tonne carbon price