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 8.32
Milk (kg) -239.00 -0.014 3.35
Fat (kg) -6.53 -0.375 2.45
Prot (kg) -5.72 -0.441 2.52
Fertility Sub Index 6.55
Calving Interval (days) -3.86 -1.459 5.63
Survival (%) 0.82 1.117 0.92
Calving Sub Index 1.76
Gestation Length (days) -1.91 -0.919 1.76
Beef Sub Index 3.83
Carcass Weight (kg) -7.30 -0.528 3.85
Age of Slaughter (days) 0.04 -0.432 -0.02
Maintenance Sub Index Maint. Sub Index 5.64
Live WT (kg) -18.40 -0.307 5.64
Total Carbon Sub Index 26.09

* Based on an €80/tonne carbon price