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 1.64
Milk (kg) 37.00 -0.014 -0.52
Fat (kg) -4.69 -0.375 1.76
Prot (kg) -0.90 -0.441 0.40
Fertility Sub Index -1.97
Calving Interval (days) 1.43 -1.459 -2.09
Survival (%) 0.10 1.117 0.11
Calving Sub Index 0.83
Gestation Length (days) -0.90 -0.919 0.83
Beef Sub Index 0.56
Carcass Weight (kg) -4.00 -0.528 2.11
Age of Slaughter (days) 3.58 -0.432 -1.55
Maintenance Sub Index Maint. Sub Index 1.04
Live WT (kg) -3.40 -0.307 1.04
Total Carbon Sub Index 2.09

* Based on an €80/tonne carbon price