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 3.10
Milk (kg) -98.00 -0.014 1.37
Fat (kg) -2.06 -0.375 0.77
Prot (kg) -2.16 -0.441 0.95
Fertility Sub Index 7.96
Calving Interval (days) -3.99 -1.459 5.82
Survival (%) 1.91 1.117 2.13
Calving Sub Index 2.79
Gestation Length (days) -3.03 -0.919 2.79
Beef Sub Index 1.55
Carcass Weight (kg) -3.30 -0.528 1.74
Age of Slaughter (days) 0.44 -0.432 -0.19
Maintenance Sub Index Maint. Sub Index 5.70
Live WT (kg) -18.60 -0.307 5.70
Total Carbon Sub Index 21.09

* Based on an €80/tonne carbon price